169 lines
2.7 KiB
Plaintext
169 lines
2.7 KiB
Plaintext
%option stack
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%x comment
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%x api_entry
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%x api_entry2
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%x api_entry_param
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%x var_type
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DIGIT [0-9]
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ID [a-zA-Z_][a-zA-Z0-9_]*
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#include "spec.h"
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int num_lines = 0;
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VarType *currType = 0;
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ApiEntry apis[128];
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int apiCount = 0;
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int typeNextState;
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extern "C" int yylex();
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%%
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"/*" BEGIN(comment);
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<comment>[^*\n]* /* eat anything that's not a '*' */
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<comment>"*"+[^*/\n]* /* eat up '*'s not followed by '/'s */
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<comment>\n ++num_lines;
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<comment>"*"+"/" BEGIN(INITIAL);
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<*>" " //printf("found ' '\n");
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<*>"\n" ++num_lines; //printf("found lf \n");
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{ID} {
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memset(&apis[apiCount], 0, sizeof(ApiEntry));
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memcpy(apis[apiCount].name, yytext, yyleng);
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BEGIN(api_entry);
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}
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<api_entry>"{" {
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BEGIN(api_entry2);
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}
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<api_entry2>"sync" {
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apis[apiCount].sync = 1;
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}
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<api_entry2>"handcodeApi" {
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apis[apiCount].handcodeApi = 1;
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}
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<api_entry2>"handcodePlay" {
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apis[apiCount].handcodePlay = 1;
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}
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<api_entry2>"ret" {
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currType = &apis[apiCount].ret;
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typeNextState = api_entry2;
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BEGIN(var_type);
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}
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<api_entry2>"param" {
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currType = &apis[apiCount].params[apis[apiCount].paramCount];
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apis[apiCount].paramCount++;
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typeNextState = api_entry_param;
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BEGIN(var_type);
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}
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<var_type>"const" {
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currType->isConst = 1;
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}
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<var_type>"i8" {
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currType->type = 1;
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currType->bits = 8;
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BEGIN(typeNextState);
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}
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<var_type>"i16" {
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currType->type = 1;
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currType->bits = 16;
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BEGIN(typeNextState);
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}
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<var_type>"i32" {
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currType->type = 1;
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currType->bits = 32;
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BEGIN(typeNextState);
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}
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<var_type>"i64" {
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currType->type = 1;
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currType->bits = 64;
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BEGIN(typeNextState);
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}
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<var_type>"u8" {
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currType->type = 2;
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currType->bits = 8;
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BEGIN(typeNextState);
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}
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<var_type>"u16" {
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currType->type = 2;
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currType->bits = 16;
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BEGIN(typeNextState);
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}
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<var_type>"u32" {
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currType->type = 2;
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currType->bits = 32;
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BEGIN(typeNextState);
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}
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<var_type>"u64" {
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currType->type = 2;
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currType->bits = 64;
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BEGIN(typeNextState);
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}
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<var_type>"f" {
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currType->type = 3;
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currType->bits = 32;
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BEGIN(typeNextState);
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}
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<var_type>"d" {
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currType->type = 3;
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currType->bits = 64;
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BEGIN(typeNextState);
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}
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<var_type>{ID} {
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currType->type = 4;
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currType->bits = 32;
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memcpy(currType->typeName, yytext, yyleng);
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BEGIN(typeNextState);
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}
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<api_entry_param>"*" {
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currType->ptrLevel ++;
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}
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<api_entry_param>{ID} {
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memcpy(currType->name, yytext, yyleng);
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BEGIN(api_entry2);
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}
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<api_entry2>"*" {
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currType->ptrLevel ++;
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}
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<api_entry2>"}" {
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apiCount++;
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BEGIN(INITIAL);
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}
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%%
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int yywrap()
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{
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return 1;
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}
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