+/*
+ * Copyright (C) 2012
+ * Wolfgang Bumiller
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
#include <stdio.h>
#include <stdarg.h>
#include "gmqcc.h"
#include "lexer.h"
-typedef struct {
- char *name;
- ast_expression *var;
-} varentry_t;
+#define PARSER_HT_FIELDS 0
+#define PARSER_HT_GLOBALS 1
+/* beginning of locals */
+#define PARSER_HT_LOCALS 2
+
+#define PARSER_HT_SIZE 1024
+#define TYPEDEF_HT_SIZE 16
typedef struct {
lex_file *lex;
int tok;
- MEM_VECTOR_MAKE(varentry_t, globals);
- MEM_VECTOR_MAKE(varentry_t, fields);
- MEM_VECTOR_MAKE(ast_function*, functions);
- MEM_VECTOR_MAKE(ast_value*, imm_float);
- MEM_VECTOR_MAKE(ast_value*, imm_string);
- MEM_VECTOR_MAKE(ast_value*, imm_vector);
+ ast_expression **globals;
+ ast_expression **fields;
+ ast_function **functions;
+ ast_value **imm_float;
+ ast_value **imm_string;
+ ast_value **imm_vector;
+ size_t translated;
+
+ /* must be deleted first, they reference immediates and values */
+ ast_value **accessors;
ast_value *imm_float_zero;
+ ast_value *imm_float_one;
ast_value *imm_vector_zero;
size_t crc_globals;
size_t crc_fields;
ast_function *function;
- MEM_VECTOR_MAKE(varentry_t, locals);
- size_t blocklocal;
+
+ /* All the labels the function defined...
+ * Should they be in ast_function instead?
+ */
+ ast_label **labels;
+ ast_goto **gotos;
+
+ /* A list of hashtables for each scope */
+ ht *variables;
+ ht htfields;
+ ht htglobals;
+ ht *typedefs;
+
+ /* not to be used directly, we use the hash table */
+ ast_expression **_locals;
+ size_t *_blocklocals;
+ ast_value **_typedefs;
+ size_t *_blocktypedefs;
size_t errors;
qcint memberof;
} parser_t;
-MEM_VEC_FUNCTIONS(parser_t, varentry_t, globals)
-MEM_VEC_FUNCTIONS(parser_t, varentry_t, fields)
-MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_float)
-MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_string)
-MEM_VEC_FUNCTIONS(parser_t, ast_value*, imm_vector)
-MEM_VEC_FUNCTIONS(parser_t, varentry_t, locals)
-MEM_VEC_FUNCTIONS(parser_t, ast_function*, functions)
+#define CV_NONE 0
+#define CV_CONST 1
+#define CV_VAR -1
-static bool GMQCC_WARN parser_pop_local(parser_t *parser);
-static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields);
+static void parser_enterblock(parser_t *parser);
+static bool parser_leaveblock(parser_t *parser);
+static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e);
+static bool parse_typedef(parser_t *parser);
+static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int is_const_var, ast_value *cached_typedef);
static ast_block* parse_block(parser_t *parser, bool warnreturn);
static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn);
static ast_expression* parse_statement_or_block(parser_t *parser);
+static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases);
static ast_expression* parse_expression_leave(parser_t *parser, bool stopatcomma);
static ast_expression* parse_expression(parser_t *parser, bool stopatcomma);
parser->errors++;
va_start(ap, fmt);
- vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
+ con_vprintmsg(LVL_ERROR, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "parse error", fmt, ap);
va_end(ap);
}
}
va_start(ap, fmt);
- vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
+ con_vprintmsg(lvl, parser->lex->tok.ctx.file, parser->lex->tok.ctx.line, "warning", fmt, ap);
va_end(ap);
return opts_werror;
lvl = LVL_ERROR;
va_start(ap, fmt);
- vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
+ con_vprintmsg(lvl, ctx.file, ctx.line, "warning", fmt, ap);
va_end(ap);
return opts_werror;
{
size_t i;
ast_value *out;
- for (i = 0; i < parser->imm_float_count; ++i) {
- if (parser->imm_float[i]->constval.vfloat == d)
+ for (i = 0; i < vec_size(parser->imm_float); ++i) {
+ const double compare = parser->imm_float[i]->constval.vfloat;
+ if (memcmp((const void*)&compare, (const void *)&d, sizeof(double)) == 0)
return parser->imm_float[i];
}
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_FLOAT);
- out->isconst = true;
+ out->constant = true;
+ out->hasvalue = true;
out->constval.vfloat = d;
- if (!parser_t_imm_float_add(parser, out)) {
- ast_value_delete(out);
- return NULL;
- }
+ vec_push(parser->imm_float, out);
return out;
}
return parser->imm_float_zero;
}
+static ast_value* parser_const_float_1(parser_t *parser)
+{
+ if (!parser->imm_float_one)
+ parser->imm_float_one = parser_const_float(parser, 1);
+ return parser->imm_float_one;
+}
+
static char *parser_strdup(const char *str)
{
if (str && !*str) {
return util_strdup(str);
}
-static ast_value* parser_const_string(parser_t *parser, const char *str)
+static ast_value* parser_const_string(parser_t *parser, const char *str, bool dotranslate)
{
size_t i;
ast_value *out;
- for (i = 0; i < parser->imm_string_count; ++i) {
+ for (i = 0; i < vec_size(parser->imm_string); ++i) {
if (!strcmp(parser->imm_string[i]->constval.vstring, str))
return parser->imm_string[i];
}
- out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
- out->isconst = true;
+ if (dotranslate) {
+ char name[32];
+ snprintf(name, sizeof(name), "dotranslate_%lu", (unsigned long)(parser->translated++));
+ out = ast_value_new(parser_ctx(parser), name, TYPE_STRING);
+ } else
+ out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_STRING);
+ out->constant = true;
+ out->hasvalue = true;
out->constval.vstring = parser_strdup(str);
- if (!parser_t_imm_string_add(parser, out)) {
- ast_value_delete(out);
- return NULL;
- }
+ vec_push(parser->imm_string, out);
return out;
}
{
size_t i;
ast_value *out;
- for (i = 0; i < parser->imm_vector_count; ++i) {
+ for (i = 0; i < vec_size(parser->imm_vector); ++i) {
if (!memcmp(&parser->imm_vector[i]->constval.vvec, &v, sizeof(v)))
return parser->imm_vector[i];
}
out = ast_value_new(parser_ctx(parser), "#IMMEDIATE", TYPE_VECTOR);
- out->isconst = true;
+ out->constant = true;
+ out->hasvalue = true;
out->constval.vvec = v;
- if (!parser_t_imm_vector_add(parser, out)) {
- ast_value_delete(out);
- return NULL;
- }
+ vec_push(parser->imm_vector, out);
return out;
}
static ast_expression* parser_find_field(parser_t *parser, const char *name)
{
- size_t i;
- for (i = 0; i < parser->fields_count; ++i) {
- if (!strcmp(parser->fields[i].name, name))
- return parser->fields[i].var;
- }
- return NULL;
+ return util_htget(parser->htfields, name);
}
static ast_expression* parser_find_global(parser_t *parser, const char *name)
{
- size_t i;
- for (i = 0; i < parser->globals_count; ++i) {
- if (!strcmp(parser->globals[i].name, name))
- return parser->globals[i].var;
- }
- return NULL;
+ return util_htget(parser->htglobals, name);
}
static ast_expression* parser_find_param(parser_t *parser, const char *name)
if (!parser->function)
return NULL;
fun = parser->function->vtype;
- for (i = 0; i < fun->expression.params_count; ++i) {
+ for (i = 0; i < vec_size(fun->expression.params); ++i) {
if (!strcmp(fun->expression.params[i]->name, name))
return (ast_expression*)(fun->expression.params[i]);
}
static ast_expression* parser_find_local(parser_t *parser, const char *name, size_t upto, bool *isparam)
{
- size_t i;
+ size_t i, hash;
+ ast_expression *e;
+
+ hash = util_hthash(parser->htglobals, name);
+
*isparam = false;
- for (i = parser->locals_count; i > upto;) {
+ for (i = vec_size(parser->variables); i > upto;) {
--i;
- if (!strcmp(parser->locals[i].name, name))
- return parser->locals[i].var;
+ if ( (e = util_htgeth(parser->variables[i], name, hash)) )
+ return e;
}
*isparam = true;
return parser_find_param(parser, name);
return v;
}
+static ast_value* parser_find_typedef(parser_t *parser, const char *name, size_t upto)
+{
+ size_t i, hash;
+ ast_value *e;
+ hash = util_hthash(parser->typedefs[0], name);
+
+ for (i = vec_size(parser->typedefs); i > upto;) {
+ --i;
+ if ( (e = (ast_value*)util_htgeth(parser->typedefs[i], name, hash)) )
+ return e;
+ }
+ return NULL;
+}
+
typedef struct
{
size_t etype; /* 0 = expression, others are operators */
} sy_elem;
typedef struct
{
- MEM_VECTOR_MAKE(sy_elem, out);
- MEM_VECTOR_MAKE(sy_elem, ops);
+ sy_elem *out;
+ sy_elem *ops;
} shunt;
-MEM_VEC_FUNCTIONS(shunt, sy_elem, out)
-MEM_VEC_FUNCTIONS(shunt, sy_elem, ops)
#define SY_PAREN_EXPR '('
#define SY_PAREN_FUNC 'f'
ast_expression *exprs[3];
ast_block *blocks[3];
ast_value *asvalue[3];
- size_t i, assignop;
+ size_t i, assignop, addop, subop;
qcint generated_op = 0;
char ty1[1024];
char ty2[1024];
- if (!sy->ops_count) {
+ if (!vec_size(sy->ops)) {
parseerror(parser, "internal error: missing operator");
return false;
}
- if (sy->ops[sy->ops_count-1].paren) {
+ if (vec_last(sy->ops).paren) {
parseerror(parser, "unmatched parenthesis");
return false;
}
- op = &operators[sy->ops[sy->ops_count-1].etype - 1];
- ctx = sy->ops[sy->ops_count-1].ctx;
+ op = &operators[vec_last(sy->ops).etype - 1];
+ ctx = vec_last(sy->ops).ctx;
- DEBUGSHUNTDO(printf("apply %s\n", op->op));
+ DEBUGSHUNTDO(con_out("apply %s\n", op->op));
- if (sy->out_count < op->operands) {
- parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", sy->out_count,
+ if (vec_size(sy->out) < op->operands) {
+ parseerror(parser, "internal error: not enough operands: %i (operator %s (%i))", vec_size(sy->out),
op->op, (int)op->id);
return false;
}
- sy->ops_count--;
+ vec_shrinkby(sy->ops, 1);
- sy->out_count -= op->operands;
+ vec_shrinkby(sy->out, op->operands);
for (i = 0; i < op->operands; ++i) {
- exprs[i] = sy->out[sy->out_count+i].out;
- blocks[i] = sy->out[sy->out_count+i].block;
+ exprs[i] = sy->out[vec_size(sy->out)+i].out;
+ blocks[i] = sy->out[vec_size(sy->out)+i].block;
asvalue[i] = (ast_value*)exprs[i];
}
- if (blocks[0] && !blocks[0]->exprs_count && op->id != opid1(',')) {
+ if (blocks[0] && !vec_size(blocks[0]->exprs) && op->id != opid1(',')) {
parseerror(parser, "internal error: operator cannot be applied on empty blocks");
return false;
}
(exprs[0]->expression.vtype != exprs[1]->expression.vtype || \
exprs[0]->expression.vtype != T)
#define CanConstFold1(A) \
- (ast_istype((A), ast_value) && ((ast_value*)(A))->isconst)
+ (ast_istype((A), ast_value) && ((ast_value*)(A))->hasvalue && ((ast_value*)(A))->constant)
#define CanConstFold(A, B) \
(CanConstFold1(A) && CanConstFold1(B))
#define ConstV(i) (asvalue[(i)]->constval.vvec)
if (opts_standard != COMPILER_GMQCC) {
/* this error doesn't need to make us bail out */
(void)!parsewarning(parser, WARN_EXTENSIONS,
- "accessing array-field members of an entity without parenthesis");
+ "accessing array-field members of an entity without parenthesis\n"
+ " -> this is an extension from -std=gmqcc");
}
}
break;
case opid1(','):
if (blocks[0]) {
- if (!ast_block_exprs_add(blocks[0], exprs[1]))
- return false;
+ ast_block_add_expr(blocks[0], exprs[1]);
} else {
blocks[0] = ast_block_new(ctx);
- if (!ast_block_exprs_add(blocks[0], exprs[0]) ||
- !ast_block_exprs_add(blocks[0], exprs[1]))
- {
- return false;
- }
+ ast_block_add_expr(blocks[0], exprs[0]);
+ ast_block_add_expr(blocks[0], exprs[1]);
}
if (!ast_block_set_type(blocks[0], exprs[1]))
return false;
- sy->out[sy->out_count++] = syblock(ctx, blocks[0]);
+ vec_push(sy->out, syblock(ctx, blocks[0]));
return true;
+ case opid2('+','P'):
+ out = exprs[0];
+ break;
case opid2('-','P'):
switch (exprs[0]->expression.vtype) {
case TYPE_FLOAT:
generated_op += 1; /* INSTR_OR */
case opid2('&','&'):
generated_op += INSTR_AND;
+#if 0
if (NotSameType(TYPE_FLOAT)) {
parseerror(parser, "invalid types used in expression: cannot perform logical operations between types %s and %s",
type_name[exprs[0]->expression.vtype],
parseerror(parser, "TODO: optional early out");
return false;
}
+#endif
if (opts_standard == COMPILER_GMQCC)
- printf("TODO: early out logic\n");
+ con_out("TODO: early out logic\n");
if (CanConstFold(exprs[0], exprs[1]))
out = (ast_expression*)parser_const_float(parser,
(generated_op == INSTR_OR ? (ConstF(0) || ConstF(1)) : (ConstF(0) && ConstF(1))));
out = (ast_expression*)ast_binary_new(ctx, generated_op, exprs[0], exprs[1]);
break;
+ case opid2('?',':'):
+ if (exprs[1]->expression.vtype != exprs[2]->expression.vtype) {
+ ast_type_to_string(exprs[1], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[2], ty2, sizeof(ty2));
+ parseerror(parser, "iperands of ternary expression must have the same type, got %s and %s", ty1, ty2);
+ return false;
+ }
+ if (CanConstFold1(exprs[0]))
+ out = (ConstF(0) ? exprs[1] : exprs[2]);
+ else
+ out = (ast_expression*)ast_ternary_new(ctx, exprs[0], exprs[1], exprs[2]);
+ break;
+
case opid1('>'):
generated_op += 1; /* INSTR_GT */
case opid1('<'):
parseerror(parser, "invalid types in assignment: cannot assign %s to %s", ty2, ty1);
}
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
out = (ast_expression*)ast_store_new(ctx, assignop, exprs[0], exprs[1]);
break;
+ case opid3('+','+','P'):
+ case opid3('-','-','P'):
+ /* prefix ++ */
+ if (exprs[0]->expression.vtype != TYPE_FLOAT) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ parseerror(parser, "invalid type for prefix increment: %s", ty1);
+ return false;
+ }
+ if (op->id == opid3('+','+','P'))
+ addop = INSTR_ADD_F;
+ else
+ addop = INSTR_SUB_F;
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ if (ast_istype(exprs[0], ast_entfield)) {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ } else {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ }
+ break;
+ case opid3('S','+','+'):
+ case opid3('S','-','-'):
+ /* prefix ++ */
+ if (exprs[0]->expression.vtype != TYPE_FLOAT) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ parseerror(parser, "invalid type for suffix increment: %s", ty1);
+ return false;
+ }
+ if (op->id == opid3('S','+','+')) {
+ addop = INSTR_ADD_F;
+ subop = INSTR_SUB_F;
+ } else {
+ addop = INSTR_SUB_F;
+ subop = INSTR_ADD_F;
+ }
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ if (ast_istype(exprs[0], ast_entfield)) {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STOREP_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ } else {
+ out = (ast_expression*)ast_binstore_new(ctx, INSTR_STORE_F, addop,
+ exprs[0],
+ (ast_expression*)parser_const_float_1(parser));
+ }
+ if (!out)
+ return false;
+ out = (ast_expression*)ast_binary_new(ctx, subop,
+ out,
+ (ast_expression*)parser_const_float_1(parser));
+ break;
case opid2('+','='):
case opid2('-','='):
if (exprs[0]->expression.vtype != exprs[1]->expression.vtype ||
(exprs[0]->expression.vtype != TYPE_VECTOR && exprs[0]->expression.vtype != TYPE_FLOAT) )
{
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
- type_name[exprs[0]->expression.vtype],
- type_name[exprs[1]->expression.vtype]);
+ ty1, ty2);
return false;
}
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
if (ast_istype(exprs[0], ast_entfield))
assignop = type_storep_instr[exprs[0]->expression.vtype];
else
return false;
};
break;
+ case opid2('*','='):
+ case opid2('/','='):
+ if (exprs[1]->expression.vtype != TYPE_FLOAT ||
+ !(exprs[0]->expression.vtype == TYPE_FLOAT ||
+ exprs[0]->expression.vtype == TYPE_VECTOR))
+ {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ switch (exprs[0]->expression.vtype) {
+ case TYPE_FLOAT:
+ out = (ast_expression*)ast_binstore_new(ctx, assignop,
+ (op->id == opid2('*','=') ? INSTR_MUL_F : INSTR_DIV_F),
+ exprs[0], exprs[1]);
+ break;
+ case TYPE_VECTOR:
+ if (op->id == opid2('*','=')) {
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
+ exprs[0], exprs[1]);
+ } else {
+ /* there's no DIV_VF */
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_DIV_F,
+ (ast_expression*)parser_const_float_1(parser),
+ exprs[1]);
+ if (!out)
+ return false;
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_MUL_VF,
+ exprs[0], out);
+ }
+ break;
+ default:
+ parseerror(parser, "invalid types used in expression: cannot add or subtract type %s and %s",
+ type_name[exprs[0]->expression.vtype],
+ type_name[exprs[1]->expression.vtype]);
+ return false;
+ };
+ break;
+ case opid2('&','='):
+ case opid2('|','='):
+ if (NotSameType(TYPE_FLOAT)) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ out = (ast_expression*)ast_binstore_new(ctx, assignop,
+ (op->id == opid2('&','=') ? INSTR_BITAND : INSTR_BITOR),
+ exprs[0], exprs[1]);
+ break;
+ case opid3('&','~','='):
+ /* This is like: a &= ~(b);
+ * But QC has no bitwise-not, so we implement it as
+ * a -= a & (b);
+ */
+ if (NotSameType(TYPE_FLOAT)) {
+ ast_type_to_string(exprs[0], ty1, sizeof(ty1));
+ ast_type_to_string(exprs[1], ty2, sizeof(ty2));
+ parseerror(parser, "invalid types used in expression: %s and %s",
+ ty1, ty2);
+ return false;
+ }
+ if (ast_istype(exprs[0], ast_entfield))
+ assignop = type_storep_instr[exprs[0]->expression.vtype];
+ else
+ assignop = type_store_instr[exprs[0]->expression.vtype];
+ out = (ast_expression*)ast_binary_new(ctx, INSTR_BITAND, exprs[0], exprs[1]);
+ if (!out)
+ return false;
+ if (ast_istype(exprs[0], ast_value) && asvalue[0]->constant) {
+ parseerror(parser, "assignment to constant `%s`", asvalue[0]->name);
+ }
+ out = (ast_expression*)ast_binstore_new(ctx, assignop, INSTR_SUB_F, exprs[0], out);
+ break;
}
#undef NotSameType
return false;
}
- DEBUGSHUNTDO(printf("applied %s\n", op->op));
- sy->out[sy->out_count++] = syexp(ctx, out);
+ DEBUGSHUNTDO(con_out("applied %s\n", op->op));
+ vec_push(sy->out, syexp(ctx, out));
return true;
}
size_t fid;
size_t paramcount;
- sy->ops_count--;
- fid = sy->ops[sy->ops_count].off;
+ vec_shrinkby(sy->ops, 1);
+ fid = sy->ops[vec_size(sy->ops)].off;
/* out[fid] is the function
* everything above is parameters...
* more = ast_block
*/
- if (sy->out_count < 1 || sy->out_count <= fid) {
+ if (vec_size(sy->out) < 1 || vec_size(sy->out) <= fid) {
parseerror(parser, "internal error: function call needs function and parameter list...");
return false;
}
fun = sy->out[fid].out;
- call = ast_call_new(sy->ops[sy->ops_count].ctx, fun);
+ call = ast_call_new(sy->ops[vec_size(sy->ops)].ctx, fun);
if (!call) {
parseerror(parser, "out of memory");
return false;
}
- if (fid+1 == sy->out_count) {
+ if (fid+1 == vec_size(sy->out)) {
/* no arguments */
paramcount = 0;
- } else if (fid+2 == sy->out_count) {
+ } else if (fid+2 == vec_size(sy->out)) {
ast_block *params;
- sy->out_count--;
- params = sy->out[sy->out_count].block;
+ vec_shrinkby(sy->out, 1);
+ params = sy->out[vec_size(sy->out)].block;
if (!params) {
/* 1 param */
paramcount = 1;
- if (!ast_call_params_add(call, sy->out[sy->out_count].out)) {
- ast_delete(sy->out[sy->out_count].out);
- parseerror(parser, "out of memory");
- return false;
- }
+ vec_push(call->params, sy->out[vec_size(sy->out)].out);
} else {
- paramcount = params->exprs_count;
- MEM_VECTOR_MOVE(params, exprs, call, params);
+ paramcount = vec_size(params->exprs);
+ call->params = params->exprs;
+ params->exprs = NULL;
ast_delete(params);
}
if (!ast_call_check_types(call))
parseerror(parser, "could not determine function return type");
return false;
} else {
- if (fun->expression.params_count != paramcount &&
+ if (vec_size(fun->expression.params) != paramcount &&
!(fun->expression.variadic &&
- fun->expression.params_count < paramcount))
+ vec_size(fun->expression.params) < paramcount))
{
ast_value *fval;
- const char *fewmany = (fun->expression.params_count > paramcount) ? "few" : "many";
+ const char *fewmany = (vec_size(fun->expression.params) > paramcount) ? "few" : "many";
fval = (ast_istype(fun, ast_value) ? ((ast_value*)fun) : NULL);
if (opts_standard == COMPILER_GMQCC)
if (fval)
parseerror(parser, "too %s parameters for call to %s: expected %i, got %i\n"
" -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
+ fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
else
parseerror(parser, "too %s parameters for function call: expected %i, got %i\n"
" -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
+ fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
return false;
}
return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
"too %s parameters for call to %s: expected %i, got %i\n"
" -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
+ fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
else
return !parsewarning(parser, WARN_TOO_FEW_PARAMETERS,
"too %s parameters for function call: expected %i, got %i\n"
" -> `%s` has been declared here: %s:%i",
- fewmany, fval->name, (int)fun->expression.params_count, (int)paramcount,
+ fewmany, fval->name, (int)vec_size(fun->expression.params), (int)paramcount,
fval->name, ast_ctx(fun).file, (int)ast_ctx(fun).line);
}
}
static bool parser_close_paren(parser_t *parser, shunt *sy, bool functions_only)
{
- if (!sy->ops_count) {
+ if (!vec_size(sy->ops)) {
parseerror(parser, "unmatched closing paren");
return false;
}
/* this would for bit a + (x) because there are no operators inside (x)
- if (sy->ops[sy->ops_count-1].paren == 1) {
+ if (sy->ops[vec_size(sy->ops)-1].paren == 1) {
parseerror(parser, "empty parenthesis expression");
return false;
}
*/
- while (sy->ops_count) {
- if (sy->ops[sy->ops_count-1].paren == SY_PAREN_FUNC) {
+ while (vec_size(sy->ops)) {
+ if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_FUNC) {
if (!parser_close_call(parser, sy))
return false;
break;
}
- if (sy->ops[sy->ops_count-1].paren == SY_PAREN_EXPR) {
- sy->ops_count--;
+ if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_EXPR) {
+ vec_shrinkby(sy->ops, 1);
return !functions_only;
}
- if (sy->ops[sy->ops_count-1].paren == SY_PAREN_INDEX) {
+ if (sy->ops[vec_size(sy->ops)-1].paren == SY_PAREN_INDEX) {
if (functions_only)
return false;
/* pop off the parenthesis */
- sy->ops_count--;
+ vec_shrinkby(sy->ops, 1);
/* then apply the index operator */
if (!parser_sy_pop(parser, sy))
return false;
* end of a condition is an unmatched closing paren
*/
int parens = 0;
+ int ternaries = 0;
- MEM_VECTOR_INIT(&sy, out);
- MEM_VECTOR_INIT(&sy, ops);
+ sy.out = NULL;
+ sy.ops = NULL;
parser->lex->flags.noops = false;
else
parser->memberof = 0;
- if (parser->tok == TOKEN_IDENT)
+ if (OPTS_FLAG(TRANSLATABLE_STRINGS) &&
+ parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "_"))
+ {
+ /* a translatable string */
+ ast_value *val;
+
+ if (wantop) {
+ parseerror(parser, "expected operator or end of statement, got constant");
+ goto onerr;
+ }
+
+ parser->lex->flags.noops = true;
+ if (!parser_next(parser) || parser->tok != '(') {
+ parseerror(parser, "use _(\"string\") to create a translatable string constant");
+ goto onerr;
+ }
+ parser->lex->flags.noops = false;
+ if (!parser_next(parser) || parser->tok != TOKEN_STRINGCONST) {
+ parseerror(parser, "expected a constant string in translatable-string extension");
+ goto onerr;
+ }
+ val = parser_const_string(parser, parser_tokval(parser), true);
+ wantop = true;
+ if (!val)
+ return false;
+ vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
+ DEBUGSHUNTDO(con_out("push string\n"));
+
+ if (!parser_next(parser) || parser->tok != ')') {
+ parseerror(parser, "expected closing paren after translatable string");
+ goto onerr;
+ }
+ }
+ else if (parser->tok == TOKEN_IDENT)
{
ast_expression *var;
if (wantop) {
}
if (ast_istype(var, ast_value))
((ast_value*)var)->uses++;
- if (!shunt_out_add(&sy, syexp(parser_ctx(parser), var))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push %s\n", parser_tokval(parser)));
+ vec_push(sy.out, syexp(parser_ctx(parser), var));
+ DEBUGSHUNTDO(con_out("push %s\n", parser_tokval(parser)));
}
else if (parser->tok == TOKEN_FLOATCONST) {
ast_value *val;
val = parser_const_float(parser, (parser_token(parser)->constval.f));
if (!val)
return false;
- if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push %g\n", parser_token(parser)->constval.f));
+ vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
+ DEBUGSHUNTDO(con_out("push %g\n", parser_token(parser)->constval.f));
}
- else if (parser->tok == TOKEN_INTCONST) {
+ else if (parser->tok == TOKEN_INTCONST || parser->tok == TOKEN_CHARCONST) {
ast_value *val;
if (wantop) {
parseerror(parser, "expected operator or end of statement, got constant");
val = parser_const_float(parser, (double)(parser_token(parser)->constval.i));
if (!val)
return false;
- if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push %i\n", parser_token(parser)->constval.i));
+ vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
+ DEBUGSHUNTDO(con_out("push %i\n", parser_token(parser)->constval.i));
}
else if (parser->tok == TOKEN_STRINGCONST) {
ast_value *val;
goto onerr;
}
wantop = true;
- val = parser_const_string(parser, parser_tokval(parser));
+ val = parser_const_string(parser, parser_tokval(parser), false);
if (!val)
return false;
- if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push string\n"));
+ vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
+ DEBUGSHUNTDO(con_out("push string\n"));
}
else if (parser->tok == TOKEN_VECTORCONST) {
ast_value *val;
val = parser_const_vector(parser, parser_token(parser)->constval.v);
if (!val)
return false;
- if (!shunt_out_add(&sy, syexp(parser_ctx(parser), (ast_expression*)val))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push '%g %g %g'\n",
+ vec_push(sy.out, syexp(parser_ctx(parser), (ast_expression*)val));
+ DEBUGSHUNTDO(con_out("push '%g %g %g'\n",
parser_token(parser)->constval.v.x,
parser_token(parser)->constval.v.y,
parser_token(parser)->constval.v.z));
}
else if (parser->tok == ')') {
if (wantop) {
- DEBUGSHUNTDO(printf("do[op] )\n"));
+ DEBUGSHUNTDO(con_out("do[op] )\n"));
--parens;
if (parens < 0)
break;
if (!parser_close_paren(parser, &sy, false))
goto onerr;
} else {
- DEBUGSHUNTDO(printf("do[nop] )\n"));
+ DEBUGSHUNTDO(con_out("do[nop] )\n"));
--parens;
if (parens < 0)
break;
else
{
/* classify the operator */
- /* TODO: suffix operators */
const oper_info *op;
const oper_info *olast = NULL;
size_t o;
for (o = 0; o < operator_count; ++o) {
if ((!(operators[o].flags & OP_PREFIX) == wantop) &&
- !(operators[o].flags & OP_SUFFIX) && /* remove this */
+ /* !(operators[o].flags & OP_SUFFIX) && / * remove this */
!strcmp(parser_tokval(parser), operators[o].op))
{
break;
break;
}
- if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
- olast = &operators[sy.ops[sy.ops_count-1].etype-1];
+ /* a colon without a pervious question mark cannot be a ternary */
+ if (!ternaries && op->id == opid2(':','?')) {
+ parser->tok = ':';
+ break;
+ }
+
+ if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
+ olast = &operators[vec_last(sy.ops).etype-1];
while (olast && (
(op->prec < olast->prec) ||
{
if (!parser_sy_pop(parser, &sy))
goto onerr;
- if (sy.ops_count && !sy.ops[sy.ops_count-1].paren)
- olast = &operators[sy.ops[sy.ops_count-1].etype-1];
+ if (vec_size(sy.ops) && !vec_last(sy.ops).paren)
+ olast = &operators[vec_last(sy.ops).etype-1];
else
olast = NULL;
}
if (op->id == opid1('.') && opts_standard == COMPILER_GMQCC) {
/* for gmqcc standard: open up the namespace of the previous type */
- ast_expression *prevex = sy.out[sy.out_count-1].out;
+ ast_expression *prevex = vec_last(sy.out).out;
if (!prevex) {
parseerror(parser, "unexpected member operator");
goto onerr;
if (op->id == opid1('(')) {
if (wantop) {
- DEBUGSHUNTDO(printf("push [op] (\n"));
+ size_t sycount = vec_size(sy.out);
+ DEBUGSHUNTDO(con_out("push [op] (\n"));
++parens;
/* we expected an operator, this is the function-call operator */
- if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_FUNC, sy.out_count-1))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
+ vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_FUNC, sycount-1));
} else {
++parens;
- if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0))) {
- parseerror(parser, "out of memory");
- goto onerr;
- }
- DEBUGSHUNTDO(printf("push [nop] (\n"));
+ vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_EXPR, 0));
+ DEBUGSHUNTDO(con_out("push [nop] (\n"));
}
wantop = false;
} else if (op->id == opid1('[')) {
}
++parens;
/* push both the operator and the paren, this makes life easier */
- if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
- goto onerr;
- if (!shunt_ops_add(&sy, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0)))
- goto onerr;
+ vec_push(sy.ops, syop(parser_ctx(parser), op));
+ vec_push(sy.ops, syparen(parser_ctx(parser), SY_PAREN_INDEX, 0));
wantop = false;
- } else {
- DEBUGSHUNTDO(printf("push operator %s\n", op->op));
- if (!shunt_ops_add(&sy, syop(parser_ctx(parser), op)))
- goto onerr;
+ } else if (op->id == opid2('?',':')) {
+ wantop = false;
+ vec_push(sy.ops, syop(parser_ctx(parser), op));
+ wantop = false;
+ --ternaries;
+ } else if (op->id == opid2(':','?')) {
+ /* we don't push this operator */
wantop = false;
+ ++ternaries;
+ } else {
+ DEBUGSHUNTDO(con_out("push operator %s\n", op->op));
+ vec_push(sy.ops, syop(parser_ctx(parser), op));
+ wantop = !!(op->flags & OP_SUFFIX);
}
}
if (!parser_next(parser)) {
goto onerr;
}
- if (parser->tok == ';' || (!parens && parser->tok == ']')) {
+ if (parser->tok == ';' ||
+ (!parens && parser->tok == ']'))
+ {
break;
}
}
- while (sy.ops_count) {
+ while (vec_size(sy.ops)) {
if (!parser_sy_pop(parser, &sy))
goto onerr;
}
parser->lex->flags.noops = true;
- if (!sy.out_count) {
+ if (!vec_size(sy.out)) {
parseerror(parser, "empty expression");
expr = NULL;
} else
expr = sy.out[0].out;
- MEM_VECTOR_CLEAR(&sy, out);
- MEM_VECTOR_CLEAR(&sy, ops);
- DEBUGSHUNTDO(printf("shunt done\n"));
+ vec_free(sy.out);
+ vec_free(sy.ops);
+ DEBUGSHUNTDO(con_out("shunt done\n"));
return expr;
onerr:
parser->lex->flags.noops = true;
- MEM_VECTOR_CLEAR(&sy, out);
- MEM_VECTOR_CLEAR(&sy, ops);
+ vec_free(sy.out);
+ vec_free(sy.ops);
return NULL;
}
return e;
}
+static void parser_enterblock(parser_t *parser)
+{
+ vec_push(parser->variables, util_htnew(PARSER_HT_SIZE));
+ vec_push(parser->_blocklocals, vec_size(parser->_locals));
+ vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
+ vec_push(parser->_blocktypedefs, vec_size(parser->_typedefs));
+}
+
+static bool parser_leaveblock(parser_t *parser)
+{
+ bool rv = true;
+ size_t locals, typedefs;
+
+ if (vec_size(parser->variables) <= PARSER_HT_LOCALS) {
+ parseerror(parser, "internal error: parser_leaveblock with no block");
+ return false;
+ }
+
+ util_htdel(vec_last(parser->variables));
+ vec_pop(parser->variables);
+ if (!vec_size(parser->_blocklocals)) {
+ parseerror(parser, "internal error: parser_leaveblock with no block (2)");
+ return false;
+ }
+
+ locals = vec_last(parser->_blocklocals);
+ vec_pop(parser->_blocklocals);
+ while (vec_size(parser->_locals) != locals) {
+ ast_expression *e = vec_last(parser->_locals);
+ ast_value *v = (ast_value*)e;
+ vec_pop(parser->_locals);
+ if (ast_istype(e, ast_value) && !v->uses) {
+ if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", v->name))
+ rv = false;
+ }
+ }
+
+ typedefs = vec_last(parser->_blocktypedefs);
+ while (vec_size(parser->_typedefs) != typedefs) {
+ ast_delete(vec_last(parser->_typedefs));
+ vec_pop(parser->_typedefs);
+ }
+ util_htdel(vec_last(parser->typedefs));
+ vec_pop(parser->typedefs);
+
+ return rv;
+}
+
+static void parser_addlocal(parser_t *parser, const char *name, ast_expression *e)
+{
+ vec_push(parser->_locals, e);
+ util_htset(vec_last(parser->variables), name, (void*)e);
+}
+
static bool parse_if(parser_t *parser, ast_block *block, ast_expression **out)
{
ast_ifthen *ifthen;
ast_expression *cond, *ontrue, *onfalse = NULL;
+ bool ifnot = false;
lex_ctx ctx = parser_ctx(parser);
- /* skip the 'if' and check for opening paren */
- if (!parser_next(parser) || parser->tok != '(') {
+ (void)block; /* not touching */
+
+ /* skip the 'if', parse an optional 'not' and check for an opening paren */
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected condition or 'not'");
+ return false;
+ }
+ if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "not")) {
+ ifnot = true;
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected condition in parenthesis");
+ return false;
+ }
+ }
+ if (parser->tok != '(') {
parseerror(parser, "expected 'if' condition in parenthesis");
return false;
}
}
}
- ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
+ if (ifnot)
+ ifthen = ast_ifthen_new(ctx, cond, onfalse, ontrue);
+ else
+ ifthen = ast_ifthen_new(ctx, cond, ontrue, onfalse);
*out = (ast_expression*)ifthen;
return true;
}
lex_ctx ctx = parser_ctx(parser);
+ (void)block; /* not touching */
+
/* skip the 'while' and check for opening paren */
if (!parser_next(parser) || parser->tok != '(') {
parseerror(parser, "expected 'while' condition in parenthesis");
lex_ctx ctx = parser_ctx(parser);
+ (void)block; /* not touching */
+
/* skip the 'do' and get the body */
if (!parser_next(parser)) {
parseerror(parser, "expected loop body");
static bool parse_for(parser_t *parser, ast_block *block, ast_expression **out)
{
- ast_loop *aloop;
+ ast_loop *aloop;
ast_expression *initexpr, *cond, *increment, *ontrue;
- size_t oldblocklocal;
+ ast_value *typevar;
bool retval = true;
lex_ctx ctx = parser_ctx(parser);
- oldblocklocal = parser->blocklocal;
- parser->blocklocal = parser->locals_count;
+ parser_enterblock(parser);
initexpr = NULL;
cond = NULL;
goto onerr;
}
- if (parser->tok == TOKEN_TYPENAME) {
+ typevar = NULL;
+ if (parser->tok == TOKEN_IDENT)
+ typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
+
+ if (typevar || parser->tok == TOKEN_TYPENAME) {
if (opts_standard != COMPILER_GMQCC) {
if (parsewarning(parser, WARN_EXTENSIONS,
"current standard does not allow variable declarations in for-loop initializers"))
goto onerr;
}
-
- parseerror(parser, "TODO: assignment of new variables to be non-const");
- goto onerr;
- if (!parse_variable(parser, block, true))
+ if (!parse_variable(parser, block, true, CV_VAR, typevar))
goto onerr;
}
else if (parser->tok != ';')
increment = parse_expression_leave(parser, false);
if (!increment)
goto onerr;
- if (!ast_istype(increment, ast_store) &&
- !ast_istype(increment, ast_call) &&
- !ast_istype(increment, ast_binstore))
- {
+ if (!ast_side_effects(increment)) {
if (genwarning(ast_ctx(increment), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
goto onerr;
}
aloop = ast_loop_new(ctx, initexpr, cond, NULL, increment, ontrue);
*out = (ast_expression*)aloop;
- while (parser->locals_count > parser->blocklocal)
- retval = retval && parser_pop_local(parser);
- parser->blocklocal = oldblocklocal;
+ if (!parser_leaveblock(parser))
+ retval = false;
return retval;
onerr:
if (initexpr) ast_delete(initexpr);
if (cond) ast_delete(cond);
if (increment) ast_delete(increment);
- while (parser->locals_count > parser->blocklocal)
- (void)!parser_pop_local(parser);
- parser->blocklocal = oldblocklocal;
+ (void)!parser_leaveblock(parser);
return false;
}
-static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out)
+static bool parse_return(parser_t *parser, ast_block *block, ast_expression **out)
{
- if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
- {
- /* local variable */
- if (!block) {
- parseerror(parser, "cannot declare a variable from here");
+ ast_expression *exp = NULL;
+ ast_return *ret = NULL;
+ ast_value *expected = parser->function->vtype;
+
+ (void)block; /* not touching */
+
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected return expression");
+ return false;
+ }
+
+ if (parser->tok != ';') {
+ exp = parse_expression(parser, false);
+ if (!exp)
return false;
+
+ if (exp->expression.vtype != expected->expression.next->expression.vtype) {
+ parseerror(parser, "return with invalid expression");
}
- if (opts_standard == COMPILER_QCC) {
- if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
- return false;
- }
- if (!parse_variable(parser, block, false))
+
+ ret = ast_return_new(exp->expression.node.context, exp);
+ if (!ret) {
+ ast_delete(exp);
return false;
- *out = NULL;
- return true;
- }
- else if (parser->tok == TOKEN_KEYWORD)
- {
- if (!strcmp(parser_tokval(parser), "local"))
- {
- if (!block) {
- parseerror(parser, "cannot declare a local variable here");
- return false;
- }
- if (!parser_next(parser)) {
- parseerror(parser, "expected variable declaration");
- return false;
- }
- if (!parse_variable(parser, block, true))
- return false;
- *out = NULL;
- return true;
}
- else if (!strcmp(parser_tokval(parser), "return"))
- {
- ast_expression *exp = NULL;
- ast_return *ret = NULL;
- ast_value *expected = parser->function->vtype;
+ } else {
+ if (!parser_next(parser))
+ parseerror(parser, "parse error");
+ if (expected->expression.next->expression.vtype != TYPE_VOID) {
+ if (opts_standard != COMPILER_GMQCC)
+ (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
+ else
+ parseerror(parser, "return without value");
+ }
+ ret = ast_return_new(parser_ctx(parser), NULL);
+ }
+ *out = (ast_expression*)ret;
+ return true;
+}
- if (!parser_next(parser)) {
- parseerror(parser, "expected return expression");
- return false;
- }
+static bool parse_break_continue(parser_t *parser, ast_block *block, ast_expression **out, bool is_continue)
+{
+ lex_ctx ctx = parser_ctx(parser);
- if (parser->tok != ';') {
- exp = parse_expression(parser, false);
- if (!exp)
- return false;
+ (void)block; /* not touching */
- if (exp->expression.vtype != expected->expression.next->expression.vtype) {
- parseerror(parser, "return with invalid expression");
- }
+ if (!parser_next(parser) || parser->tok != ';') {
+ parseerror(parser, "expected semicolon");
+ return false;
+ }
- ret = ast_return_new(exp->expression.node.context, exp);
- if (!ret) {
- ast_delete(exp);
+ if (!parser_next(parser))
+ parseerror(parser, "parse error");
+
+ *out = (ast_expression*)ast_breakcont_new(ctx, is_continue);
+ return true;
+}
+
+static bool parse_switch(parser_t *parser, ast_block *block, ast_expression **out)
+{
+ ast_expression *operand;
+ ast_value *opval;
+ ast_switch *switchnode;
+ ast_switch_case swcase;
+
+ lex_ctx ctx = parser_ctx(parser);
+
+ (void)block; /* not touching */
+
+ /* parse over the opening paren */
+ if (!parser_next(parser) || parser->tok != '(') {
+ parseerror(parser, "expected switch operand in parenthesis");
+ return false;
+ }
+
+ /* parse into the expression */
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected switch operand");
+ return false;
+ }
+ /* parse the operand */
+ operand = parse_expression_leave(parser, false);
+ if (!operand)
+ return false;
+
+ switchnode = ast_switch_new(ctx, operand);
+
+ /* closing paren */
+ if (parser->tok != ')') {
+ ast_delete(switchnode);
+ parseerror(parser, "expected closing paren after 'switch' operand");
+ return false;
+ }
+
+ /* parse over the opening paren */
+ if (!parser_next(parser) || parser->tok != '{') {
+ ast_delete(switchnode);
+ parseerror(parser, "expected list of cases");
+ return false;
+ }
+
+ if (!parser_next(parser)) {
+ ast_delete(switchnode);
+ parseerror(parser, "expected 'case' or 'default'");
+ return false;
+ }
+
+ /* case list! */
+ while (parser->tok != '}') {
+ ast_block *caseblock;
+
+ if (parser->tok != TOKEN_KEYWORD) {
+ ast_delete(switchnode);
+ parseerror(parser, "expected 'case' or 'default'");
+ return false;
+ }
+ if (!strcmp(parser_tokval(parser), "case")) {
+ if (!parser_next(parser)) {
+ ast_delete(switchnode);
+ parseerror(parser, "expected expression for case");
+ return false;
+ }
+ swcase.value = parse_expression_leave(parser, false);
+ if (!swcase.value) {
+ ast_delete(switchnode);
+ parseerror(parser, "expected expression for case");
+ return false;
+ }
+ if (!OPTS_FLAG(RELAXED_SWITCH)) {
+ opval = (ast_value*)swcase.value;
+ if (!ast_istype(swcase.value, ast_value)) { /* || !opval->constant) { */
+ parseerror(parser, "case on non-constant values need to be explicitly enabled via -frelaxed-switch");
+ ast_unref(operand);
return false;
}
- } else {
- if (!parser_next(parser))
- parseerror(parser, "parse error");
- if (expected->expression.next->expression.vtype != TYPE_VOID) {
- if (opts_standard != COMPILER_GMQCC)
- (void)!parsewarning(parser, WARN_MISSING_RETURN_VALUES, "return without value");
- else
- parseerror(parser, "return without value");
+ }
+ }
+ else if (!strcmp(parser_tokval(parser), "default")) {
+ swcase.value = NULL;
+ if (!parser_next(parser)) {
+ ast_delete(switchnode);
+ parseerror(parser, "expected colon");
+ return false;
+ }
+ }
+
+ /* Now the colon and body */
+ if (parser->tok != ':') {
+ if (swcase.value) ast_unref(swcase.value);
+ ast_delete(switchnode);
+ parseerror(parser, "expected colon");
+ return false;
+ }
+
+ if (!parser_next(parser)) {
+ if (swcase.value) ast_unref(swcase.value);
+ ast_delete(switchnode);
+ parseerror(parser, "expected statements or case");
+ return false;
+ }
+ caseblock = ast_block_new(parser_ctx(parser));
+ if (!caseblock) {
+ if (swcase.value) ast_unref(swcase.value);
+ ast_delete(switchnode);
+ return false;
+ }
+ swcase.code = (ast_expression*)caseblock;
+ vec_push(switchnode->cases, swcase);
+ while (true) {
+ ast_expression *expr;
+ if (parser->tok == '}')
+ break;
+ if (parser->tok == TOKEN_KEYWORD) {
+ if (!strcmp(parser_tokval(parser), "case") ||
+ !strcmp(parser_tokval(parser), "default"))
+ {
+ break;
+ }
+ }
+ if (!parse_statement(parser, caseblock, &expr, true)) {
+ ast_delete(switchnode);
+ return false;
+ }
+ if (!expr)
+ continue;
+ ast_block_add_expr(caseblock, expr);
+ }
+ }
+
+ /* closing paren */
+ if (parser->tok != '}') {
+ ast_delete(switchnode);
+ parseerror(parser, "expected closing paren of case list");
+ return false;
+ }
+ if (!parser_next(parser)) {
+ ast_delete(switchnode);
+ parseerror(parser, "parse error after switch");
+ return false;
+ }
+ *out = (ast_expression*)switchnode;
+ return true;
+}
+
+static bool parse_goto(parser_t *parser, ast_expression **out)
+{
+ size_t i;
+ ast_goto *gt;
+
+ if (!parser_next(parser) || parser->tok != TOKEN_IDENT) {
+ parseerror(parser, "expected label name after `goto`");
+ return false;
+ }
+
+ gt = ast_goto_new(parser_ctx(parser), parser_tokval(parser));
+
+ for (i = 0; i < vec_size(parser->labels); ++i) {
+ if (!strcmp(parser->labels[i]->name, parser_tokval(parser))) {
+ ast_goto_set_label(gt, parser->labels[i]);
+ break;
+ }
+ }
+ if (i == vec_size(parser->labels))
+ vec_push(parser->gotos, gt);
+
+ if (!parser_next(parser) || parser->tok != ';') {
+ parseerror(parser, "semicolon expected after goto label");
+ return false;
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after goto");
+ return false;
+ }
+
+ *out = (ast_expression*)gt;
+ return true;
+}
+
+static bool parse_statement(parser_t *parser, ast_block *block, ast_expression **out, bool allow_cases)
+{
+ int cvq;
+ ast_value *typevar = NULL;
+ *out = NULL;
+
+ if (parser->tok == TOKEN_IDENT)
+ typevar = parser_find_typedef(parser, parser_tokval(parser), 0);
+
+ if (typevar || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
+ {
+ /* local variable */
+ if (!block) {
+ parseerror(parser, "cannot declare a variable from here");
+ return false;
+ }
+ if (opts_standard == COMPILER_QCC) {
+ if (parsewarning(parser, WARN_EXTENSIONS, "missing 'local' keyword when declaring a local variable"))
+ return false;
+ }
+ if (!parse_variable(parser, block, false, CV_NONE, typevar))
+ return false;
+ *out = NULL;
+ return true;
+ }
+ else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
+ {
+ goto ident_var;
+ }
+ else if (parser->tok == TOKEN_KEYWORD)
+ {
+ if (!strcmp(parser_tokval(parser), "local") ||
+ !strcmp(parser_tokval(parser), "const") ||
+ !strcmp(parser_tokval(parser), "var"))
+ {
+ident_var:
+ if (parser_tokval(parser)[0] == 'c')
+ cvq = CV_CONST;
+ else if (parser_tokval(parser)[0] == 'v')
+ cvq = CV_VAR;
+ else
+ cvq = CV_NONE;
+
+ if (!block) {
+ parseerror(parser, "cannot declare a local variable here");
+ return false;
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected variable declaration");
+ return false;
+ }
+ if (!parse_variable(parser, block, true, cvq, NULL))
+ return false;
+ *out = NULL;
+ return true;
+ }
+ else if (!strcmp(parser_tokval(parser), "__builtin_debug_printtype"))
+ {
+ char ty[1024];
+ ast_value *tdef;
+
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after __builtin_debug_printtype");
+ return false;
+ }
+
+ if (parser->tok == TOKEN_IDENT && (tdef = parser_find_typedef(parser, parser_tokval(parser), 0)))
+ {
+ ast_type_to_string((ast_expression*)tdef, ty, sizeof(ty));
+ con_out("__builtin_debug_printtype: `%s`=`%s`\n", tdef->name, ty);
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after __builtin_debug_printtype typename argument");
+ return false;
+ }
+ }
+ else
+ {
+ if (!parse_statement(parser, block, out, allow_cases))
+ return false;
+ if (!*out)
+ con_out("__builtin_debug_printtype: got no output node\n");
+ else
+ {
+ ast_type_to_string(*out, ty, sizeof(ty));
+ con_out("__builtin_debug_printtype: `%s`\n", ty);
}
- ret = ast_return_new(parser_ctx(parser), NULL);
}
- *out = (ast_expression*)ret;
return true;
}
+ else if (!strcmp(parser_tokval(parser), "return"))
+ {
+ return parse_return(parser, block, out);
+ }
else if (!strcmp(parser_tokval(parser), "if"))
{
return parse_if(parser, block, out);
}
return parse_for(parser, block, out);
}
+ else if (!strcmp(parser_tokval(parser), "break"))
+ {
+ return parse_break_continue(parser, block, out, false);
+ }
+ else if (!strcmp(parser_tokval(parser), "continue"))
+ {
+ return parse_break_continue(parser, block, out, true);
+ }
+ else if (!strcmp(parser_tokval(parser), "switch"))
+ {
+ return parse_switch(parser, block, out);
+ }
+ else if (!strcmp(parser_tokval(parser), "case") ||
+ !strcmp(parser_tokval(parser), "default"))
+ {
+ if (!allow_cases) {
+ parseerror(parser, "unexpected 'case' label");
+ return false;
+ }
+ return true;
+ }
+ else if (!strcmp(parser_tokval(parser), "goto"))
+ {
+ return parse_goto(parser, out);
+ }
+ else if (!strcmp(parser_tokval(parser), "typedef"))
+ {
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected type definition after 'typedef'");
+ return false;
+ }
+ return parse_typedef(parser);
+ }
parseerror(parser, "Unexpected keyword");
return false;
}
*out = (ast_expression*)inner;
return true;
}
+ else if (parser->tok == ':')
+ {
+ size_t i;
+ ast_label *label;
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected label name");
+ return false;
+ }
+ if (parser->tok != TOKEN_IDENT) {
+ parseerror(parser, "label must be an identifier");
+ return false;
+ }
+ label = ast_label_new(parser_ctx(parser), parser_tokval(parser));
+ if (!label)
+ return false;
+ vec_push(parser->labels, label);
+ *out = (ast_expression*)label;
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after label");
+ return false;
+ }
+ for (i = 0; i < vec_size(parser->gotos); ++i) {
+ if (!strcmp(parser->gotos[i]->name, label->name)) {
+ ast_goto_set_label(parser->gotos[i], label);
+ vec_remove(parser->gotos, i, 1);
+ --i;
+ }
+ }
+ return true;
+ }
+ else if (parser->tok == ';')
+ {
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after empty statement");
+ return false;
+ }
+ return true;
+ }
else
{
ast_expression *exp = parse_expression(parser, false);
if (!exp)
return false;
*out = exp;
- if (!ast_istype(exp, ast_store) &&
- !ast_istype(exp, ast_call) &&
- !ast_istype(exp, ast_binstore))
- {
+ if (!ast_side_effects(exp)) {
if (genwarning(ast_ctx(exp), WARN_EFFECTLESS_STATEMENT, "statement has no effect"))
return false;
}
}
}
-static bool GMQCC_WARN parser_pop_local(parser_t *parser)
-{
- varentry_t *ve;
- parser->locals_count--;
-
- ve = &parser->locals[parser->locals_count];
- if (ast_istype(ve->var, ast_value) && !(((ast_value*)(ve->var))->uses)) {
- if (parsewarning(parser, WARN_UNUSED_VARIABLE, "unused variable: `%s`", ve->name))
- return false;
- }
- mem_d(parser->locals[parser->locals_count].name);
- return true;
-}
-
static bool parse_block_into(parser_t *parser, ast_block *block, bool warnreturn)
{
- size_t oldblocklocal;
bool retval = true;
- oldblocklocal = parser->blocklocal;
- parser->blocklocal = parser->locals_count;
+ parser_enterblock(parser);
if (!parser_next(parser)) { /* skip the '{' */
parseerror(parser, "expected function body");
while (parser->tok != TOKEN_EOF && parser->tok < TOKEN_ERROR)
{
- ast_expression *expr;
+ ast_expression *expr = NULL;
if (parser->tok == '}')
break;
- if (!parse_statement(parser, block, &expr)) {
+ if (!parse_statement(parser, block, &expr, false)) {
/* parseerror(parser, "parse error"); */
block = NULL;
goto cleanup;
}
if (!expr)
continue;
- if (!ast_block_exprs_add(block, expr)) {
- ast_delete(expr);
- block = NULL;
- goto cleanup;
- }
+ ast_block_add_expr(block, expr);
}
if (parser->tok != '}') {
} else {
if (warnreturn && parser->function->vtype->expression.next->expression.vtype != TYPE_VOID)
{
- if (!block->exprs_count ||
- !ast_istype(block->exprs[block->exprs_count-1], ast_return))
+ if (!vec_size(block->exprs) ||
+ !ast_istype(vec_last(block->exprs), ast_return))
{
if (parsewarning(parser, WARN_MISSING_RETURN_VALUES, "control reaches end of non-void function")) {
block = NULL;
}
cleanup:
- while (parser->locals_count > parser->blocklocal)
- retval = retval && parser_pop_local(parser);
- parser->blocklocal = oldblocklocal;
- return !!block;
+ if (!parser_leaveblock(parser))
+ retval = false;
+ return retval && !!block;
}
static ast_block* parse_block(parser_t *parser, bool warnreturn)
ast_expression *expr = NULL;
if (parser->tok == '{')
return (ast_expression*)parse_block(parser, false);
- if (!parse_statement(parser, NULL, &expr))
+ if (!parse_statement(parser, NULL, &expr, false))
return NULL;
return expr;
}
-/* loop method */
-static bool create_vector_members(parser_t *parser, ast_value *var, varentry_t *ve)
+static bool create_vector_members(ast_value *var, ast_member **me)
{
size_t i;
size_t len = strlen(var->name);
for (i = 0; i < 3; ++i) {
- ve[i].var = (ast_expression*)ast_member_new(ast_ctx(var), (ast_expression*)var, i);
- if (!ve[i].var)
- break;
-
- ve[i].name = (char*)mem_a(len+3);
- if (!ve[i].name) {
- ast_delete(ve[i].var);
+ char *name = mem_a(len+3);
+ memcpy(name, var->name, len);
+ name[len+0] = '_';
+ name[len+1] = 'x'+i;
+ name[len+2] = 0;
+ me[i] = ast_member_new(ast_ctx(var), (ast_expression*)var, i, name);
+ mem_d(name);
+ if (!me[i])
break;
- }
-
- memcpy(ve[i].name, var->name, len);
- ve[i].name[len] = '_';
- ve[i].name[len+1] = 'x'+i;
- ve[i].name[len+2] = 0;
}
if (i == 3)
return true;
/* unroll */
- do {
- --i;
- mem_d(ve[i].name);
- ast_delete(ve[i].var);
- ve[i].name = NULL;
- ve[i].var = NULL;
- } while (i);
+ do { ast_member_delete(me[--i]); } while(i);
return false;
}
has_frame_think = false;
old = parser->function;
+ if (vec_size(parser->gotos) || vec_size(parser->labels)) {
+ parseerror(parser, "gotos/labels leaking");
+ return false;
+ }
+
if (var->expression.variadic) {
if (parsewarning(parser, WARN_VARIADIC_FUNCTION,
"variadic function with implementation will not be able to access additional parameters"))
parseerror(parser, "expected a framenumber constant in[frame,think] notation");
return false;
}
- if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->isconst) {
+ if (!ast_istype(framenum, ast_value) || !( (ast_value*)framenum )->hasvalue) {
ast_unref(framenum);
parseerror(parser, "framenumber in [frame,think] notation must be a constant");
return false;
{
/* qc allows the use of not-yet-declared functions here
* - this automatically creates a prototype */
- varentry_t varent;
ast_value *thinkfunc;
ast_expression *functype = fld_think->expression.next;
return false;
}
- varent.var = (ast_expression*)thinkfunc;
- varent.name = util_strdup(thinkfunc->name);
- if (!parser_t_globals_add(parser, varent)) {
- ast_unref(framenum);
- ast_delete(thinkfunc);
- return false;
- }
+ vec_push(parser->globals, (ast_expression*)thinkfunc);
+ util_htset(parser->htglobals, thinkfunc->name, thinkfunc);
nextthink = (ast_expression*)thinkfunc;
} else {
if (store_think) ast_delete(store_think);
retval = false;
}
- if (retval && !ast_block_exprs_add(block, (ast_expression*)store_frame)) {
- ast_delete(store_frame);
- ast_delete(store_nextthink);
- ast_delete(store_think);
- retval = false;
- }
-
- if (retval && !ast_block_exprs_add(block, (ast_expression*)store_nextthink)) {
- ast_delete(store_nextthink);
- ast_delete(store_think);
- retval = false;
- }
-
- if (retval && !ast_block_exprs_add(block, (ast_expression*)store_think) )
- {
- ast_delete(store_think);
- retval = false;
- }
+ ast_block_add_expr(block, (ast_expression*)store_frame);
+ ast_block_add_expr(block, (ast_expression*)store_nextthink);
+ ast_block_add_expr(block, (ast_expression*)store_think);
}
if (!retval) {
}
}
- for (parami = 0; parami < var->expression.params_count; ++parami) {
+ parser_enterblock(parser);
+
+ for (parami = 0; parami < vec_size(var->expression.params); ++parami) {
size_t e;
- varentry_t ve[3];
ast_value *param = var->expression.params[parami];
+ ast_member *me[3];
if (param->expression.vtype != TYPE_VECTOR &&
(param->expression.vtype != TYPE_FIELD ||
continue;
}
- if (!create_vector_members(parser, param, ve)) {
+ if (!create_vector_members(param, me)) {
ast_block_delete(block);
return false;
}
for (e = 0; e < 3; ++e) {
- if (!parser_t_locals_add(parser, ve[e]))
- break;
- if (!ast_block_collect(block, ve[e].var)) {
- parser->locals_count--;
- break;
- }
- ve[e].var = NULL; /* collected */
- }
- if (e != 3) {
- parser->locals -= e;
- do {
- mem_d(ve[e].name);
- --e;
- } while (e);
- ast_block_delete(block);
- return false;
+ parser_addlocal(parser, me[e]->name, (ast_expression*)me[e]);
+ ast_block_collect(block, (ast_expression*)me[e]);
}
}
ast_block_delete(block);
goto enderr;
}
- if (!parser_t_functions_add(parser, func)) {
- parseerror(parser, "failed to allocate slot for function `%s`", var->name);
- ast_block_delete(block);
- goto enderrfn;
- }
+ vec_push(parser->functions, func);
parser->function = func;
if (!parse_block_into(parser, block, true)) {
ast_block_delete(block);
- goto enderrfn2;
+ goto enderrfn;
}
- if (!ast_function_blocks_add(func, block)) {
- ast_block_delete(block);
- goto enderrfn2;
- }
+ vec_push(func->blocks, block);
parser->function = old;
- while (parser->locals_count)
- retval = retval && parser_pop_local(parser);
+ if (!parser_leaveblock(parser))
+ retval = false;
+ if (vec_size(parser->variables) != PARSER_HT_LOCALS) {
+ parseerror(parser, "internal error: local scopes left");
+ retval = false;
+ }
if (parser->tok == ';')
return parser_next(parser);
parseerror(parser, "missing semicolon after function body (mandatory with -std=qcc)");
return retval;
-enderrfn2:
- parser->functions_count--;
enderrfn:
+ vec_pop(parser->functions);
ast_function_delete(func);
var->constval.vfunc = NULL;
enderr:
- while (parser->locals_count) {
- parser->locals_count--;
- mem_d(parser->locals[parser->locals_count].name);
- }
+ (void)!parser_leaveblock(parser);
parser->function = old;
return false;
}
lex_ctx ctx = ast_ctx(array);
if (from+1 == afterend) {
- // set this value
+ /* set this value */
ast_block *block;
ast_return *ret;
ast_array_index *subscript;
+ ast_store *st;
int assignop = type_store_instr[value->expression.vtype];
if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
if (!subscript)
return NULL;
- ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
+ st = ast_store_new(ctx, assignop, (ast_expression*)subscript, (ast_expression*)value);
if (!st) {
ast_delete(subscript);
return NULL;
return NULL;
}
- if (!ast_block_exprs_add(block, (ast_expression*)st)) {
- ast_delete(block);
- return NULL;
- }
+ ast_block_add_expr(block, (ast_expression*)st);
ret = ast_return_new(ctx, NULL);
if (!ret) {
return NULL;
}
- if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
- ast_delete(block);
- return NULL;
- }
+ ast_block_add_expr(block, (ast_expression*)ret);
return (ast_expression*)block;
} else {
lex_ctx ctx = ast_ctx(array);
if (from+1 == afterend) {
- // set this value
+ /* set this value */
ast_block *block;
ast_return *ret;
ast_entfield *entfield;
ast_array_index *subscript;
+ ast_store *st;
int assignop = type_storep_instr[value->expression.vtype];
if (value->expression.vtype == TYPE_FIELD && value->expression.next->expression.vtype == TYPE_VECTOR)
return NULL;
}
- ast_store *st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
+ st = ast_store_new(ctx, assignop, (ast_expression*)entfield, (ast_expression*)value);
if (!st) {
ast_delete(entfield);
return NULL;
return NULL;
}
- if (!ast_block_exprs_add(block, (ast_expression*)st)) {
- ast_delete(block);
- return NULL;
- }
+ ast_block_add_expr(block, (ast_expression*)st);
ret = ast_return_new(ctx, NULL);
if (!ret) {
return NULL;
}
- if (!ast_block_exprs_add(block, (ast_expression*)ret)) {
- ast_delete(block);
- return NULL;
- }
+ ast_block_add_expr(block, (ast_expression*)ret);
return (ast_expression*)block;
} else {
{
ast_function *func = NULL;
ast_value *fval = NULL;
+ ast_block *body = NULL;
fval = ast_value_new(ast_ctx(array), funcname, TYPE_FUNCTION);
if (!fval) {
return false;
}
+ body = ast_block_new(ast_ctx(array));
+ if (!body) {
+ parseerror(parser, "failed to create block for array accessor");
+ ast_delete(fval);
+ ast_delete(func);
+ return false;
+ }
+
+ vec_push(func->blocks, body);
*out = fval;
+ vec_push(parser->accessors, fval);
+
return true;
}
static bool parser_create_array_setter(parser_t *parser, ast_value *array, const char *funcname)
{
ast_expression *root = NULL;
- ast_block *body = NULL;
ast_value *index = NULL;
ast_value *value = NULL;
ast_function *func;
func = fval->constval.vfunc;
fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
- body = ast_block_new(ast_ctx(array));
- if (!body) {
- parseerror(parser, "failed to create block for array accessor");
- goto cleanup;
- }
-
index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
value = ast_value_copy((ast_value*)array->expression.next);
goto cleanup;
}
(void)!ast_value_set_name(value, "value"); /* not important */
- (void)!ast_expression_common_params_add(&fval->expression, index);
- (void)!ast_expression_common_params_add(&fval->expression, value);
+ vec_push(fval->expression.params, index);
+ vec_push(fval->expression.params, value);
root = array_setter_node(parser, array, index, value, 0, array->expression.count);
if (!root) {
goto cleanup;
}
- (void)!ast_block_exprs_add(body, root);
- (void)!ast_function_blocks_add(func, body);
+ ast_block_add_expr(func->blocks[0], root);
array->setter = fval;
return true;
cleanup:
- if (body) ast_delete(body);
if (index) ast_delete(index);
if (value) ast_delete(value);
if (root) ast_delete(root);
static bool parser_create_array_field_setter(parser_t *parser, ast_value *array, const char *funcname)
{
ast_expression *root = NULL;
- ast_block *body = NULL;
ast_value *entity = NULL;
ast_value *index = NULL;
ast_value *value = NULL;
func = fval->constval.vfunc;
fval->expression.next = (ast_expression*)ast_value_new(ast_ctx(array), "<void>", TYPE_VOID);
- body = ast_block_new(ast_ctx(array));
- if (!body) {
- parseerror(parser, "failed to create block for array accessor");
- goto cleanup;
- }
-
entity = ast_value_new(ast_ctx(array), "entity", TYPE_ENTITY);
index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
value = ast_value_copy((ast_value*)array->expression.next);
goto cleanup;
}
(void)!ast_value_set_name(value, "value"); /* not important */
- (void)!ast_expression_common_params_add(&fval->expression, entity);
- (void)!ast_expression_common_params_add(&fval->expression, index);
- (void)!ast_expression_common_params_add(&fval->expression, value);
+ vec_push(fval->expression.params, entity);
+ vec_push(fval->expression.params, index);
+ vec_push(fval->expression.params, value);
root = array_field_setter_node(parser, array, entity, index, value, 0, array->expression.count);
if (!root) {
goto cleanup;
}
- (void)!ast_block_exprs_add(body, root);
- (void)!ast_function_blocks_add(func, body);
+ ast_block_add_expr(func->blocks[0], root);
array->setter = fval;
return true;
cleanup:
- if (body) ast_delete(body);
if (entity) ast_delete(entity);
if (index) ast_delete(index);
if (value) ast_delete(value);
static bool parser_create_array_getter(parser_t *parser, ast_value *array, const ast_expression *elemtype, const char *funcname)
{
ast_expression *root = NULL;
- ast_block *body = NULL;
ast_value *index = NULL;
ast_value *fval;
ast_function *func;
if (!parser_create_array_accessor(parser, array, funcname, &fval))
return false;
- func = fval->constval.vfunc;
- fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
-
- body = ast_block_new(ast_ctx(array));
- if (!body) {
- parseerror(parser, "failed to create block for array accessor");
- goto cleanup;
- }
+ func = fval->constval.vfunc;
+ fval->expression.next = ast_type_copy(ast_ctx(array), elemtype);
index = ast_value_new(ast_ctx(array), "index", TYPE_FLOAT);
parseerror(parser, "failed to create locals for array accessor");
goto cleanup;
}
- (void)!ast_expression_common_params_add(&fval->expression, index);
+ vec_push(fval->expression.params, index);
root = array_getter_node(parser, array, index, 0, array->expression.count);
if (!root) {
goto cleanup;
}
- (void)!ast_block_exprs_add(body, root);
- (void)!ast_function_blocks_add(func, body);
+ ast_block_add_expr(func->blocks[0], root);
array->getter = fval;
return true;
cleanup:
- if (body) ast_delete(body);
if (index) ast_delete(index);
if (root) ast_delete(root);
ast_delete(func);
return false;
}
-typedef struct {
- MEM_VECTOR_MAKE(ast_value*, p);
-} paramlist_t;
-MEM_VEC_FUNCTIONS(paramlist_t, ast_value*, p)
-
-static ast_value *parse_typename(parser_t *parser, ast_value **storebase);
+static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef);
static ast_value *parse_parameter_list(parser_t *parser, ast_value *var)
{
lex_ctx ctx;
size_t i;
- paramlist_t params;
+ ast_value **params;
ast_value *param;
ast_value *fval;
bool first = true;
return NULL;
}
- MEM_VECTOR_INIT(¶ms, p);
+ params = NULL;
/* parse variables until we hit a closing paren */
while (parser->tok != ')') {
else
{
/* for anything else just parse a typename */
- param = parse_typename(parser, NULL);
+ param = parse_typename(parser, NULL, NULL);
if (!param)
goto on_error;
- if (!paramlist_t_p_add(¶ms, param)) {
- ast_delete(param);
- goto on_error;
- }
+ vec_push(params, param);
if (param->expression.vtype >= TYPE_VARIANT) {
char typename[1024];
ast_type_to_string((ast_expression*)param, typename, sizeof(typename));
}
}
+ if (vec_size(params) == 1 && params[0]->expression.vtype == TYPE_VOID)
+ vec_free(params);
+
/* sanity check */
- if (params.p_count > 8)
- parseerror(parser, "more than 8 parameters are currently not supported");
+ if (vec_size(params) > 8 && opts_standard == COMPILER_QCC)
+ (void)!parsewarning(parser, WARN_EXTENSIONS, "more than 8 parameters are not supported by this standard");
/* parse-out */
if (!parser_next(parser)) {
fval->expression.variadic = variadic;
var = fval;
- MEM_VECTOR_MOVE(¶ms, p, &var->expression, params);
+ var->expression.params = params;
+ params = NULL;
return var;
on_error:
ast_delete(var);
- for (i = 0; i < params.p_count; ++i)
- ast_delete(params.p[i]);
- MEM_VECTOR_CLEAR(¶ms, p);
+ for (i = 0; i < vec_size(params); ++i)
+ ast_delete(params[i]);
+ vec_free(params);
return NULL;
}
* void() foo(), bar
* then the type-information 'void()' can be stored in 'storebase'
*/
-static ast_value *parse_typename(parser_t *parser, ast_value **storebase)
+static ast_value *parse_typename(parser_t *parser, ast_value **storebase, ast_value *cached_typedef)
{
ast_value *var, *tmp;
lex_ctx ctx;
const char *name = NULL;
bool isfield = false;
bool wasarray = false;
+ size_t morefields = 0;
ctx = parser_ctx(parser);
parseerror(parser, "expected typename for field definition");
return NULL;
}
- if (parser->tok != TOKEN_TYPENAME) {
- parseerror(parser, "expected typename");
- return NULL;
+
+ /* Further dots are handled seperately because they won't be part of the
+ * basetype
+ */
+ while (parser->tok == '.') {
+ ++morefields;
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected typename for field definition");
+ return NULL;
+ }
}
}
+ if (parser->tok == TOKEN_IDENT)
+ cached_typedef = parser_find_typedef(parser, parser_tokval(parser), 0);
+ if (!cached_typedef && parser->tok != TOKEN_TYPENAME) {
+ parseerror(parser, "expected typename");
+ return NULL;
+ }
/* generate the basic type value */
- var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
+ if (cached_typedef) {
+ var = ast_value_copy(cached_typedef);
+ ast_value_set_name(var, "<type(from_def)>");
+ } else
+ var = ast_value_new(ctx, "<type>", parser_token(parser)->constval.t);
+
+ for (; morefields; --morefields) {
+ tmp = ast_value_new(ctx, "<.type>", TYPE_FIELD);
+ tmp->expression.next = (ast_expression*)var;
+ var = tmp;
+ }
+
/* do not yet turn into a field - remember:
* .void() foo; is a field too
* .void()() foo; is a function
return var;
}
-static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields)
+static bool parse_typedef(parser_t *parser)
+{
+ ast_value *typevar, *oldtype;
+ ast_expression *old;
+
+ typevar = parse_typename(parser, NULL, NULL);
+
+ if (!typevar)
+ return false;
+
+ if ( (old = parser_find_var(parser, typevar->name)) ) {
+ parseerror(parser, "cannot define a type with the same name as a variable: %s\n"
+ " -> `%s` has been declared here: %s:%i",
+ typevar->name, ast_ctx(old).file, ast_ctx(old).line);
+ ast_delete(typevar);
+ return false;
+ }
+
+ if ( (oldtype = parser_find_typedef(parser, typevar->name, vec_last(parser->_blocktypedefs))) ) {
+ parseerror(parser, "type `%s` has already been declared here: %s:%i",
+ typevar->name, ast_ctx(oldtype).file, ast_ctx(oldtype).line);
+ ast_delete(typevar);
+ return false;
+ }
+
+ vec_push(parser->_typedefs, typevar);
+ util_htset(vec_last(parser->typedefs), typevar->name, typevar);
+
+ if (parser->tok != ';') {
+ parseerror(parser, "expected semicolon after typedef");
+ return false;
+ }
+ if (!parser_next(parser)) {
+ parseerror(parser, "parse error after typedef");
+ return false;
+ }
+
+ return true;
+}
+
+static bool parse_variable(parser_t *parser, ast_block *localblock, bool nofields, int is_const_var, ast_value *cached_typedef)
{
ast_value *var;
ast_value *proto;
bool cleanvar = true;
bool wasarray = false;
- varentry_t varent, ve[3];
+ ast_member *me[3];
/* get the first complete variable */
- var = parse_typename(parser, &basetype);
+ var = parse_typename(parser, &basetype, cached_typedef);
if (!var) {
if (basetype)
ast_delete(basetype);
return false;
}
- memset(&varent, 0, sizeof(varent));
- memset(&ve, 0, sizeof(ve));
-
while (true) {
proto = NULL;
wasarray = false;
}
}
+ if (is_const_var == CV_CONST)
+ var->constant = true;
+
/* Part 1:
* check for validity: (end_sys_..., multiple-definitions, prototypes, ...)
* Also: if there was a prototype, `var` will be deleted and set to `proto` which
/* Deal with end_sys_ vars */
was_end = false;
if (!strcmp(var->name, "end_sys_globals")) {
- parser->crc_globals = parser->globals_count;
+ parser->crc_globals = vec_size(parser->globals);
was_end = true;
}
else if (!strcmp(var->name, "end_sys_fields")) {
- parser->crc_fields = parser->fields_count;
+ parser->crc_fields = vec_size(parser->fields);
was_end = true;
}
if (was_end && var->expression.vtype == TYPE_FIELD) {
goto cleanup;
}
/* we need the new parameter-names */
- for (i = 0; i < proto->expression.params_count; ++i)
+ for (i = 0; i < vec_size(proto->expression.params); ++i)
ast_value_set_name(proto->expression.params[i], var->expression.params[i]->name);
ast_delete(var);
var = proto;
{
/* other globals */
if (old) {
- parseerror(parser, "global `%s` already declared here: %s:%i",
- var->name, ast_ctx(old).file, ast_ctx(old).line);
- retval = false;
- goto cleanup;
+ if (opts_standard == COMPILER_GMQCC) {
+ parseerror(parser, "global `%s` already declared here: %s:%i",
+ var->name, ast_ctx(old).file, ast_ctx(old).line);
+ retval = false;
+ goto cleanup;
+ } else {
+ if (parsewarning(parser, WARN_DOUBLE_DECLARATION,
+ "global `%s` already declared here: %s:%i",
+ var->name, ast_ctx(old).file, ast_ctx(old).line))
+ {
+ retval = false;
+ goto cleanup;
+ }
+ }
}
if (opts_standard == COMPILER_QCC &&
(old = parser_find_field(parser, var->name)))
}
else /* it's not a global */
{
- old = parser_find_local(parser, var->name, parser->blocklocal, &isparam);
+ old = parser_find_local(parser, var->name, vec_size(parser->variables)-1, &isparam);
if (old && !isparam) {
parseerror(parser, "local `%s` already declared here: %s:%i",
var->name, ast_ctx(old).file, (int)ast_ctx(old).line);
isvector = true;
if (isvector) {
- if (!create_vector_members(parser, var, ve)) {
+ if (!create_vector_members(var, me)) {
retval = false;
goto cleanup;
}
}
- varent.name = util_strdup(var->name);
- varent.var = (ast_expression*)var;
-
if (!localblock) {
/* deal with global variables, fields, functions */
if (!nofields && var->expression.vtype == TYPE_FIELD) {
- if (!(retval = parser_t_fields_add(parser, varent)))
- goto cleanup;
+ vec_push(parser->fields, (ast_expression*)var);
+ util_htset(parser->htfields, var->name, var);
if (isvector) {
for (i = 0; i < 3; ++i) {
- if (!(retval = parser_t_fields_add(parser, ve[i])))
- break;
- }
- if (!retval) {
- parser->fields_count -= i+1;
- goto cleanup;
+ vec_push(parser->fields, (ast_expression*)me[i]);
+ util_htset(parser->htfields, me[i]->name, me[i]);
}
}
}
else {
- if (!(retval = parser_t_globals_add(parser, varent)))
- goto cleanup;
+ vec_push(parser->globals, (ast_expression*)var);
+ util_htset(parser->htglobals, var->name, var);
if (isvector) {
for (i = 0; i < 3; ++i) {
- if (!(retval = parser_t_globals_add(parser, ve[i])))
- break;
- }
- if (!retval) {
- parser->globals_count -= i+1;
- goto cleanup;
+ vec_push(parser->globals, (ast_expression*)me[i]);
+ util_htset(parser->htglobals, me[i]->name, me[i]);
}
}
}
} else {
- if (!(retval = parser_t_locals_add(parser, varent)))
- goto cleanup;
- if (!(retval = ast_block_locals_add(localblock, var))) {
- parser->locals_count--;
- goto cleanup;
- }
+ vec_push(localblock->locals, var);
+ parser_addlocal(parser, var->name, (ast_expression*)var);
if (isvector) {
for (i = 0; i < 3; ++i) {
- if (!(retval = parser_t_locals_add(parser, ve[i])))
- break;
- if (!(retval = ast_block_collect(localblock, ve[i].var)))
- break;
- ve[i].var = NULL; /* from here it's being collected in the block */
- }
- if (!retval) {
- parser->locals_count -= i+1;
- localblock->locals_count--;
- goto cleanup;
+ parser_addlocal(parser, me[i]->name, (ast_expression*)me[i]);
+ ast_block_collect(localblock, (ast_expression*)me[i]);
}
}
}
- varent.name = NULL;
- ve[0].name = ve[1].name = ve[2].name = NULL;
- ve[0].var = ve[1].var = ve[2].var = NULL;
- cleanvar = false;
}
+ me[0] = me[1] = me[2] = NULL;
+ cleanvar = false;
/* Part 2.2
* deal with arrays
*/
if (parser->tok != '{') {
if (parser->tok != '=') {
- parseerror(parser, "missing semicolon or initializer");
+ parseerror(parser, "missing semicolon or initializer, got: `%s`", parser_tokval(parser));
break;
}
}
if (parser->tok == '#') {
- ast_function *func;
+ ast_function *func = NULL;
if (localblock) {
parseerror(parser, "cannot declare builtins within functions");
break;
}
- func = ast_function_new(ast_ctx(var), var->name, var);
- if (!func) {
- parseerror(parser, "failed to allocate function for `%s`", var->name);
- break;
- }
- if (!parser_t_functions_add(parser, func)) {
- parseerror(parser, "failed to allocate slot for function `%s`", var->name);
- ast_function_delete(func);
- var->constval.vfunc = NULL;
- break;
+ if (var->hasvalue) {
+ (void)!parsewarning(parser, WARN_DOUBLE_DECLARATION,
+ "builtin `%s` has already been defined\n"
+ " -> previous declaration here: %s:%i",
+ var->name, ast_ctx(var).file, (int)ast_ctx(var).line);
}
+ else
+ {
+ func = ast_function_new(ast_ctx(var), var->name, var);
+ if (!func) {
+ parseerror(parser, "failed to allocate function for `%s`", var->name);
+ break;
+ }
+ vec_push(parser->functions, func);
- func->builtin = -parser_token(parser)->constval.i;
+ func->builtin = -parser_token(parser)->constval.i;
+ }
if (!parser_next(parser)) {
parseerror(parser, "expected comma or semicolon");
- ast_function_delete(func);
+ if (func)
+ ast_function_delete(func);
var->constval.vfunc = NULL;
break;
}
}
else if (parser->tok == '{' || parser->tok == '[')
{
+ size_t i;
if (localblock) {
parseerror(parser, "cannot declare functions within functions");
break;
if (!parse_function_body(parser, var))
break;
ast_delete(basetype);
+ for (i = 0; i < vec_size(parser->gotos); ++i)
+ parseerror(parser, "undefined label: `%s`", parser->gotos[i]->name);
+ vec_free(parser->gotos);
+ vec_free(parser->labels);
return true;
} else {
ast_expression *cexp;
if (!localblock) {
cval = (ast_value*)cexp;
- if (!ast_istype(cval, ast_value) || !cval->isconst)
+ if (!ast_istype(cval, ast_value) || !cval->hasvalue || !cval->constant)
parseerror(parser, "cannot initialize a global constant variable with a non-constant expression");
else
{
- var->isconst = true;
+ if (opts_standard != COMPILER_GMQCC &&
+ !OPTS_FLAG(INITIALIZED_NONCONSTANTS) &&
+ is_const_var != CV_VAR)
+ {
+ var->constant = true;
+ }
+ var->hasvalue = true;
if (cval->expression.vtype == TYPE_STRING)
var->constval.vstring = parser_strdup(cval->constval.vstring);
else
ast_unref(cval);
}
} else {
- shunt sy;
- MEM_VECTOR_INIT(&sy, out);
- MEM_VECTOR_INIT(&sy, ops);
- if (!shunt_out_add(&sy, syexp(ast_ctx(var), (ast_expression*)var)) ||
- !shunt_out_add(&sy, syexp(ast_ctx(cexp), (ast_expression*)cexp)) ||
- !shunt_ops_add(&sy, syop(ast_ctx(var), parser->assign_op)))
- {
- parseerror(parser, "internal error: failed to prepare initializer");
- ast_unref(cexp);
- }
- else if (!parser_sy_pop(parser, &sy))
+ bool cvq;
+ shunt sy = { NULL, NULL };
+ cvq = var->constant;
+ var->constant = false;
+ vec_push(sy.out, syexp(ast_ctx(var), (ast_expression*)var));
+ vec_push(sy.out, syexp(ast_ctx(cexp), (ast_expression*)cexp));
+ vec_push(sy.ops, syop(ast_ctx(var), parser->assign_op));
+ if (!parser_sy_pop(parser, &sy))
ast_unref(cexp);
else {
- if (sy.out_count != 1 && sy.ops_count != 0)
+ if (vec_size(sy.out) != 1 && vec_size(sy.ops) != 0)
parseerror(parser, "internal error: leaked operands");
- else if (!ast_block_exprs_add(localblock, (ast_expression*)sy.out[0].out)) {
- parseerror(parser, "failed to create intializing expression");
- ast_unref(sy.out[0].out);
- ast_unref(cexp);
- }
+ ast_block_add_expr(localblock, (ast_expression*)sy.out[0].out);
}
- MEM_VECTOR_CLEAR(&sy, out);
- MEM_VECTOR_CLEAR(&sy, ops);
+ vec_free(sy.out);
+ vec_free(sy.ops);
+ var->constant = cvq;
}
}
ast_delete(basetype);
if (cleanvar && var)
ast_delete(var);
- if (varent.name) mem_d(varent.name);
- if (ve[0].name) mem_d(ve[0].name);
- if (ve[1].name) mem_d(ve[1].name);
- if (ve[2].name) mem_d(ve[2].name);
- if (ve[0].var) mem_d(ve[0].var);
- if (ve[1].var) mem_d(ve[1].var);
- if (ve[2].var) mem_d(ve[2].var);
+ if (me[0]) ast_member_delete(me[0]);
+ if (me[1]) ast_member_delete(me[1]);
+ if (me[2]) ast_member_delete(me[2]);
return retval;
}
static bool parser_global_statement(parser_t *parser)
{
- if (parser->tok == TOKEN_TYPENAME || parser->tok == '.')
+ ast_value *istype = NULL;
+ if (parser->tok == TOKEN_IDENT)
+ istype = parser_find_typedef(parser, parser_tokval(parser), 0);
+
+ if (istype || parser->tok == TOKEN_TYPENAME || parser->tok == '.')
{
- return parse_variable(parser, NULL, false);
+ return parse_variable(parser, NULL, false, CV_NONE, istype);
}
- else if (parser->tok == TOKEN_KEYWORD)
+ else if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var"))
{
- /* handle 'var' and 'const' */
if (!strcmp(parser_tokval(parser), "var")) {
if (!parser_next(parser)) {
parseerror(parser, "expected variable declaration after 'var'");
return false;
}
- return parse_variable(parser, NULL, true);
+ return parse_variable(parser, NULL, true, CV_VAR, NULL);
+ }
+ }
+ else if (parser->tok == TOKEN_KEYWORD)
+ {
+ if (!strcmp(parser_tokval(parser), "const")) {
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected variable declaration after 'const'");
+ return false;
+ }
+ if (parser->tok == TOKEN_IDENT && !strcmp(parser_tokval(parser), "var")) {
+ (void)!parsewarning(parser, WARN_CONST_VAR, "ignoring `var` after const qualifier");
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected variable declaration after 'const var'");
+ return false;
+ }
+ }
+ return parse_variable(parser, NULL, true, CV_CONST, NULL);
+ }
+ else if (!strcmp(parser_tokval(parser), "typedef")) {
+ if (!parser_next(parser)) {
+ parseerror(parser, "expected type definition after 'typedef'");
+ return false;
+ }
+ return parse_typedef(parser);
}
+ parseerror(parser, "unrecognized keyword `%s`", parser_tokval(parser));
return false;
}
else if (parser->tok == '$')
return true;
}
+static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
+{
+ return util_crc16(old, str, strlen(str));
+}
+
+static void progdefs_crc_file(const char *str)
+{
+ /* write to progdefs.h here */
+ (void)str;
+}
+
+static uint16_t progdefs_crc_both(uint16_t old, const char *str)
+{
+ old = progdefs_crc_sum(old, str);
+ progdefs_crc_file(str);
+ return old;
+}
+
+static void generate_checksum(parser_t *parser)
+{
+ uint16_t crc = 0xFFFF;
+ size_t i;
+ ast_value *value;
+
+ crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
+ crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
+ /*
+ progdefs_crc_file("\tint\tpad;\n");
+ progdefs_crc_file("\tint\tofs_return[3];\n");
+ progdefs_crc_file("\tint\tofs_parm0[3];\n");
+ progdefs_crc_file("\tint\tofs_parm1[3];\n");
+ progdefs_crc_file("\tint\tofs_parm2[3];\n");
+ progdefs_crc_file("\tint\tofs_parm3[3];\n");
+ progdefs_crc_file("\tint\tofs_parm4[3];\n");
+ progdefs_crc_file("\tint\tofs_parm5[3];\n");
+ progdefs_crc_file("\tint\tofs_parm6[3];\n");
+ progdefs_crc_file("\tint\tofs_parm7[3];\n");
+ */
+ for (i = 0; i < parser->crc_globals; ++i) {
+ if (!ast_istype(parser->globals[i], ast_value))
+ continue;
+ value = (ast_value*)(parser->globals[i]);
+ switch (value->expression.vtype) {
+ case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
+ case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
+ case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
+ case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
+ default:
+ crc = progdefs_crc_both(crc, "\tint\t");
+ break;
+ }
+ crc = progdefs_crc_both(crc, value->name);
+ crc = progdefs_crc_both(crc, ";\n");
+ }
+ crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
+ for (i = 0; i < parser->crc_fields; ++i) {
+ if (!ast_istype(parser->fields[i], ast_value))
+ continue;
+ value = (ast_value*)(parser->fields[i]);
+ switch (value->expression.next->expression.vtype) {
+ case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
+ case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
+ case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
+ case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
+ default:
+ crc = progdefs_crc_both(crc, "\tint\t");
+ break;
+ }
+ crc = progdefs_crc_both(crc, value->name);
+ crc = progdefs_crc_both(crc, ";\n");
+ }
+ crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
+
+ code_crc = crc;
+}
+
static parser_t *parser;
bool parser_init()
{
size_t i;
+
parser = (parser_t*)mem_a(sizeof(parser_t));
if (!parser)
return false;
mem_d(parser);
return false;
}
+
+ vec_push(parser->variables, parser->htfields = util_htnew(PARSER_HT_SIZE));
+ vec_push(parser->variables, parser->htglobals = util_htnew(PARSER_HT_SIZE));
+ vec_push(parser->typedefs, util_htnew(TYPEDEF_HT_SIZE));
+ vec_push(parser->_blocktypedefs, 0);
return true;
}
-bool parser_compile(const char *filename)
+bool parser_compile()
{
- parser->lex = lex_open(filename);
- if (!parser->lex) {
- printf("failed to open file \"%s\"\n", filename);
- return false;
- }
-
/* initial lexer/parser state */
parser->lex->flags.noops = true;
return !parser->errors;
}
-void parser_cleanup()
+bool parser_compile_file(const char *filename)
{
- size_t i;
- for (i = 0; i < parser->functions_count; ++i) {
- ast_delete(parser->functions[i]);
- }
- for (i = 0; i < parser->imm_vector_count; ++i) {
- ast_delete(parser->imm_vector[i]);
- }
- for (i = 0; i < parser->imm_string_count; ++i) {
- ast_delete(parser->imm_string[i]);
- }
- for (i = 0; i < parser->imm_float_count; ++i) {
- ast_delete(parser->imm_float[i]);
- }
- for (i = 0; i < parser->fields_count; ++i) {
- ast_delete(parser->fields[i].var);
- mem_d(parser->fields[i].name);
- }
- for (i = 0; i < parser->globals_count; ++i) {
- ast_delete(parser->globals[i].var);
- mem_d(parser->globals[i].name);
+ parser->lex = lex_open(filename);
+ if (!parser->lex) {
+ con_err("failed to open file \"%s\"\n", filename);
+ return false;
}
- MEM_VECTOR_CLEAR(parser, functions);
- MEM_VECTOR_CLEAR(parser, imm_vector);
- MEM_VECTOR_CLEAR(parser, imm_string);
- MEM_VECTOR_CLEAR(parser, imm_float);
- MEM_VECTOR_CLEAR(parser, globals);
- MEM_VECTOR_CLEAR(parser, fields);
- MEM_VECTOR_CLEAR(parser, locals);
-
- mem_d(parser);
+ return parser_compile();
}
-static uint16_t progdefs_crc_sum(uint16_t old, const char *str)
-{
- return util_crc16(old, str, strlen(str));
-}
-
-static void progdefs_crc_file(const char *str)
+bool parser_compile_string_len(const char *name, const char *str, size_t len)
{
- /* write to progdefs.h here */
+ parser->lex = lex_open_string(str, len, name);
+ if (!parser->lex) {
+ con_err("failed to create lexer for string \"%s\"\n", name);
+ return false;
+ }
+ return parser_compile();
}
-static uint16_t progdefs_crc_both(uint16_t old, const char *str)
+bool parser_compile_string(const char *name, const char *str)
{
- old = progdefs_crc_sum(old, str);
- progdefs_crc_file(str);
- return old;
+ parser->lex = lex_open_string(str, strlen(str), name);
+ if (!parser->lex) {
+ con_err("failed to create lexer for string \"%s\"\n", name);
+ return false;
+ }
+ return parser_compile();
}
-static void generate_checksum(parser_t *parser)
+void parser_cleanup()
{
- uint16_t crc = 0xFFFF;
size_t i;
+ for (i = 0; i < vec_size(parser->accessors); ++i) {
+ ast_delete(parser->accessors[i]->constval.vfunc);
+ parser->accessors[i]->constval.vfunc = NULL;
+ ast_delete(parser->accessors[i]);
+ }
+ for (i = 0; i < vec_size(parser->functions); ++i) {
+ ast_delete(parser->functions[i]);
+ }
+ for (i = 0; i < vec_size(parser->imm_vector); ++i) {
+ ast_delete(parser->imm_vector[i]);
+ }
+ for (i = 0; i < vec_size(parser->imm_string); ++i) {
+ ast_delete(parser->imm_string[i]);
+ }
+ for (i = 0; i < vec_size(parser->imm_float); ++i) {
+ ast_delete(parser->imm_float[i]);
+ }
+ for (i = 0; i < vec_size(parser->fields); ++i) {
+ ast_delete(parser->fields[i]);
+ }
+ for (i = 0; i < vec_size(parser->globals); ++i) {
+ ast_delete(parser->globals[i]);
+ }
+ vec_free(parser->accessors);
+ vec_free(parser->functions);
+ vec_free(parser->imm_vector);
+ vec_free(parser->imm_string);
+ vec_free(parser->imm_float);
+ vec_free(parser->globals);
+ vec_free(parser->fields);
+
+ for (i = 0; i < vec_size(parser->variables); ++i)
+ util_htdel(parser->variables[i]);
+ vec_free(parser->variables);
+ vec_free(parser->_blocklocals);
+ vec_free(parser->_locals);
+
+ for (i = 0; i < vec_size(parser->_typedefs); ++i)
+ ast_delete(parser->_typedefs[i]);
+ vec_free(parser->_typedefs);
+ for (i = 0; i < vec_size(parser->typedefs); ++i)
+ util_htdel(parser->typedefs[i]);
+ vec_free(parser->typedefs);
+ vec_free(parser->_blocktypedefs);
+
+ vec_free(parser->labels);
+ vec_free(parser->gotos);
- crc = progdefs_crc_both(crc, "\n/* file generated by qcc, do not modify */\n\ntypedef struct\n{");
- crc = progdefs_crc_sum(crc, "\tint\tpad[28];\n");
- /*
- progdefs_crc_file("\tint\tpad;\n");
- progdefs_crc_file("\tint\tofs_return[3];\n");
- progdefs_crc_file("\tint\tofs_parm0[3];\n");
- progdefs_crc_file("\tint\tofs_parm1[3];\n");
- progdefs_crc_file("\tint\tofs_parm2[3];\n");
- progdefs_crc_file("\tint\tofs_parm3[3];\n");
- progdefs_crc_file("\tint\tofs_parm4[3];\n");
- progdefs_crc_file("\tint\tofs_parm5[3];\n");
- progdefs_crc_file("\tint\tofs_parm6[3];\n");
- progdefs_crc_file("\tint\tofs_parm7[3];\n");
- */
- for (i = 0; i < parser->crc_globals; ++i) {
- if (!ast_istype(parser->globals[i].var, ast_value))
- continue;
- switch (parser->globals[i].var->expression.vtype) {
- case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
- case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
- case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
- case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
- default:
- crc = progdefs_crc_both(crc, "\tint\t");
- break;
- }
- crc = progdefs_crc_both(crc, parser->globals[i].name);
- crc = progdefs_crc_both(crc, ";\n");
- }
- crc = progdefs_crc_both(crc, "} globalvars_t;\n\ntypedef struct\n{\n");
- for (i = 0; i < parser->crc_fields; ++i) {
- if (!ast_istype(parser->fields[i].var, ast_value))
- continue;
- switch (parser->fields[i].var->expression.next->expression.vtype) {
- case TYPE_FLOAT: crc = progdefs_crc_both(crc, "\tfloat\t"); break;
- case TYPE_VECTOR: crc = progdefs_crc_both(crc, "\tvec3_t\t"); break;
- case TYPE_STRING: crc = progdefs_crc_both(crc, "\tstring_t\t"); break;
- case TYPE_FUNCTION: crc = progdefs_crc_both(crc, "\tfunc_t\t"); break;
- default:
- crc = progdefs_crc_both(crc, "\tint\t");
- break;
- }
- crc = progdefs_crc_both(crc, parser->fields[i].name);
- crc = progdefs_crc_both(crc, ";\n");
- }
- crc = progdefs_crc_both(crc, "} entvars_t;\n\n");
-
- code_crc = crc;
+ mem_d(parser);
}
bool parser_finish(const char *output)
{
ir = ir_builder_new("gmqcc_out");
if (!ir) {
- printf("failed to allocate builder\n");
+ con_out("failed to allocate builder\n");
return false;
}
- for (i = 0; i < parser->fields_count; ++i) {
+ for (i = 0; i < vec_size(parser->fields); ++i) {
ast_value *field;
- bool isconst;
- if (!ast_istype(parser->fields[i].var, ast_value))
+ bool hasvalue;
+ if (!ast_istype(parser->fields[i], ast_value))
continue;
- field = (ast_value*)parser->fields[i].var;
- isconst = field->isconst;
- field->isconst = false;
+ field = (ast_value*)parser->fields[i];
+ hasvalue = field->hasvalue;
+ field->hasvalue = false;
if (!ast_global_codegen((ast_value*)field, ir, true)) {
- printf("failed to generate field %s\n", field->name);
+ con_out("failed to generate field %s\n", field->name);
ir_builder_delete(ir);
return false;
}
- if (isconst) {
+ if (hasvalue) {
ir_value *ifld;
ast_expression *subtype;
- field->isconst = true;
+ field->hasvalue = true;
subtype = field->expression.next;
ifld = ir_builder_create_field(ir, field->name, subtype->expression.vtype);
if (subtype->expression.vtype == TYPE_FIELD)
(void)!ir_value_set_field(field->ir_v, ifld);
}
}
- for (i = 0; i < parser->globals_count; ++i) {
+ for (i = 0; i < vec_size(parser->globals); ++i) {
ast_value *asvalue;
- if (!ast_istype(parser->globals[i].var, ast_value))
+ if (!ast_istype(parser->globals[i], ast_value))
continue;
- asvalue = (ast_value*)(parser->globals[i].var);
- if (!asvalue->uses && !asvalue->isconst && asvalue->expression.vtype != TYPE_FUNCTION) {
+ asvalue = (ast_value*)(parser->globals[i]);
+ if (!asvalue->uses && !asvalue->hasvalue && asvalue->expression.vtype != TYPE_FUNCTION) {
if (strcmp(asvalue->name, "end_sys_globals") &&
strcmp(asvalue->name, "end_sys_fields"))
{
}
}
if (!ast_global_codegen(asvalue, ir, false)) {
- printf("failed to generate global %s\n", parser->globals[i].name);
+ con_out("failed to generate global %s\n", asvalue->name);
ir_builder_delete(ir);
return false;
}
}
- for (i = 0; i < parser->imm_float_count; ++i) {
+ for (i = 0; i < vec_size(parser->imm_float); ++i) {
if (!ast_global_codegen(parser->imm_float[i], ir, false)) {
- printf("failed to generate global %s\n", parser->imm_float[i]->name);
+ con_out("failed to generate global %s\n", parser->imm_float[i]->name);
ir_builder_delete(ir);
return false;
}
}
- for (i = 0; i < parser->imm_string_count; ++i) {
+ for (i = 0; i < vec_size(parser->imm_string); ++i) {
if (!ast_global_codegen(parser->imm_string[i], ir, false)) {
- printf("failed to generate global %s\n", parser->imm_string[i]->name);
+ con_out("failed to generate global %s\n", parser->imm_string[i]->name);
ir_builder_delete(ir);
return false;
}
}
- for (i = 0; i < parser->imm_vector_count; ++i) {
+ for (i = 0; i < vec_size(parser->imm_vector); ++i) {
if (!ast_global_codegen(parser->imm_vector[i], ir, false)) {
- printf("failed to generate global %s\n", parser->imm_vector[i]->name);
+ con_out("failed to generate global %s\n", parser->imm_vector[i]->name);
ir_builder_delete(ir);
return false;
}
}
- for (i = 0; i < parser->globals_count; ++i) {
+ for (i = 0; i < vec_size(parser->globals); ++i) {
ast_value *asvalue;
- if (!ast_istype(parser->globals[i].var, ast_value))
+ if (!ast_istype(parser->globals[i], ast_value))
continue;
- asvalue = (ast_value*)(parser->globals[i].var);
+ asvalue = (ast_value*)(parser->globals[i]);
if (asvalue->setter) {
if (!ast_global_codegen(asvalue->setter, ir, false) ||
!ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
!ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
{
- printf("failed to generate setter for %s\n", parser->globals[i].name);
+ printf("failed to generate setter for %s\n", asvalue->name);
ir_builder_delete(ir);
return false;
}
!ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
!ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
{
- printf("failed to generate getter for %s\n", parser->globals[i].name);
+ printf("failed to generate getter for %s\n", asvalue->name);
ir_builder_delete(ir);
return false;
}
}
}
- for (i = 0; i < parser->fields_count; ++i) {
+ for (i = 0; i < vec_size(parser->fields); ++i) {
ast_value *asvalue;
- asvalue = (ast_value*)(parser->fields[i].var->expression.next);
+ asvalue = (ast_value*)(parser->fields[i]->expression.next);
if (!ast_istype((ast_expression*)asvalue, ast_value))
continue;
!ast_function_codegen(asvalue->setter->constval.vfunc, ir) ||
!ir_function_finalize(asvalue->setter->constval.vfunc->ir_func))
{
- printf("failed to generate setter for %s\n", parser->fields[i].name);
+ printf("failed to generate setter for %s\n", asvalue->name);
ir_builder_delete(ir);
return false;
}
!ast_function_codegen(asvalue->getter->constval.vfunc, ir) ||
!ir_function_finalize(asvalue->getter->constval.vfunc->ir_func))
{
- printf("failed to generate getter for %s\n", parser->fields[i].name);
+ printf("failed to generate getter for %s\n", asvalue->name);
ir_builder_delete(ir);
return false;
}
}
}
- for (i = 0; i < parser->functions_count; ++i) {
+ for (i = 0; i < vec_size(parser->functions); ++i) {
if (!ast_function_codegen(parser->functions[i], ir)) {
- printf("failed to generate function %s\n", parser->functions[i]->name);
+ con_out("failed to generate function %s\n", parser->functions[i]->name);
ir_builder_delete(ir);
return false;
}
+ }
+ if (opts_dump)
+ ir_builder_dump(ir, con_out);
+ for (i = 0; i < vec_size(parser->functions); ++i) {
if (!ir_function_finalize(parser->functions[i]->ir_func)) {
- printf("failed to finalize function %s\n", parser->functions[i]->name);
+ con_out("failed to finalize function %s\n", parser->functions[i]->name);
ir_builder_delete(ir);
return false;
}
}
if (retval) {
- if (opts_dump)
- ir_builder_dump(ir, printf);
+ if (opts_dumpfin)
+ ir_builder_dump(ir, con_out);
generate_checksum(parser);
if (!ir_builder_generate(ir, output)) {
- printf("*** failed to generate output file\n");
+ con_out("*** failed to generate output file\n");
ir_builder_delete(ir);
return false;
}
return retval;
}
- printf("*** there were compile errors\n");
+ con_out("*** there were compile errors\n");
return false;
}
projects / xonotic / gmqcc.git / blobdiff