90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
/***********
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* State for code
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* generator
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***********/
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#pragma once
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#include"mem.h"
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#include"i386.h"
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#include"pnode.h"
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#include"x86_64.h"
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// Build architecture types
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enum {M_I386=1,M_IR,M_RUN,M_X86_64};
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// Used to abstract different architectures
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typedef struct LangDef
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{
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const char*acc_32;
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const char*acc_wordsize;
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const char*add_32;
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const char*add_wordsize;
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const char*bp;
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const char*cmp_32;
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const char*cmp_wordsize;
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const char*div_32;
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const char*div_wordsize;
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const char*lea_wordsize;
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const char*mov_32;
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const char*mov_wordsize;
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const char*mul_32;
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const char*mul_wordsize;
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const char*pop_wordsize;
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const char*push_wordsize;
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const char*registers_abi_32[6];
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const char*registers_abi_wordsize[6];
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const char*scratch1_32;
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const char*scratch1_wordsize;
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const char*sp;
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const char*sub_32;
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const char*sub_wordsize;
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const char*xor_32;
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const char*xor_wordsize;
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size_t wordsize;
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}LangDef;
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typedef struct Gen
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{
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PNode*stackptr;
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const PNode*rootnode;
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size_t labelno;
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uint32_t buildarch;
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bool showrpn;
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bool showeval;
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LangDef ld;
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} Gen;
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#define AM(x,y) ((((uint32_t)(x&0xff))<<8)|(y&0xff))
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enum EVAL_ELEM_TYPE {EE_I32=1,EE_IDENT,EE_VAR,EE_FUNC,EE_ACC,EE_SEP};
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typedef struct eval_elem
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{
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size_t type;
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VTYPE vtype;
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int32_t vstackloc;
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union
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{
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int32_t i32;
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char*name;
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}val;
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}eval_elem;
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/* static void gen_print_string(Gen*gen,const PNode*pn,FILE*file,const Str*str) */
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Gen gen_new(void);
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Vec gen_i2r(const Vec*tokens);
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bool gen_findret(const PNode*pn,bool found);
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size_t gen_stacksize(const Gen*gen,const PNode*pn);
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void gen(Gen*gen,PNode*pn,FILE*file);
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void gen_code(Gen*gen,PNode*pn,FILE*file);
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void gen_declare_function(Gen*gen,PNode*pn,FILE*file);
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void gen_declare_variable(Gen*gen,PNode*pn,FILE*file);
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void gen_epilog(Gen*gen,const PNode*pn,FILE*file);
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void gen_eval(Gen*gen,const PNode*pn,FILE*file);
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void gen_eval_analyze(const PNode*pn);
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void gen_evalop(Gen*gen,PNode*pn,eval_elem*elem,size_t nops,Tok*curtok,FILE*file,Vec*stack);
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void gen_free(Gen*gen);
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void gen_prolog(Gen*gen,const PNode*pn,FILE*file,size_t stacksize);
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void gen_setrootnode(Gen*gen,PNode*rootnode);
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void vec_print_tokens(Vec*tokens);
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