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detect duplicate functions

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This commit is contained in:
corey 2023-11-16 12:54:50 -06:00
parent 506eb67e3b
commit 2d2e01f957
4 changed files with 28 additions and 0 deletions
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6
gen.c
View File

@ -13,3 +13,9 @@ void gen_free(Gen*gen)
{
if(!gen)return;
}
void gen_setrootnode(Gen*gen,PNode*rootnode)
{
if(!gen||!rootnode)return;
gen->rootnode=rootnode;
}

2
gen.h
View File

@ -11,8 +11,10 @@
typedef struct Gen
{
size_t labelno;
const PNode*rootnode;
const PNode*stackptr;
} Gen;
Gen gen_new(void);
void gen_free(Gen*gen);
void gen_setrootnode(Gen*gen,PNode*rootnode);

4
main.c
View File

@ -141,6 +141,10 @@ int main(int argc,char**argv)
{
state=state_new();
state.gen.rootnode=&state.parser.root;
printf("rootnode=%p\n",state.gen.rootnode);
printf("&parser.root=%p\n",&state.parser.root);
state.infile=fopen(*vec_at(&args,i,const char**),"r");
if(!state.infile)
{

16
x86_64.c
View File

@ -29,6 +29,22 @@ void gen_x86_64(Gen*gen,const PNode*pn,FILE*file)
{
if(pn->parentnode&&pn->parentnode->parentnode!=NULL)
err_log("%u: nested function declaration",pn->firstline);
for(size_t i=0;i<gen->rootnode->funcs.size;++i)
{
if(strcmp(vec_at(&pn->tokens,0,const Tok*)->str.buffer,vec_at(&gen->rootnode->funcs,i,Func*)->name)==0)
{
err_log("%u: '%s' already declared",vec_at(&pn->tokens,0,const Tok*)->line,vec_at(&pn->tokens,0,const Tok*)->str.buffer);
break;
}
}
Func func={
.name=vec_at(&pn->tokens,0,const Tok*)->str.buffer,
/* .type=I32, */
};
vec_push((Vec*)&gen->rootnode->funcs,&func);
fprintf(file,"global %s\n%s:\n",vec_at(&pn->tokens,0,const Tok*)->str.buffer,vec_at(&pn->tokens,0,const Tok*)->str.buffer);
gen->stackptr=pn;