e99a0428f3
The htab_structure has been modified in two ways, which should not break compatability with any of its uses. It includes a void pointer, which is in this commit used to point to a string for defines, and will in the future be used to point to the address space for words, bytes, and double words. It now includes a function htab_add_str specifically for storing strings. It calls htab_add so as not to be redundant, but makes the node's value their index for the lexer to fetch using htab_find, and assigns their void pointer. The lexer will now use htab_find on all tokens to see if they are a define string, and if so, substitute them with the appropriate token. The defines htab is destroyed after lexing, because that memory is done.
21 lines
396 B
C
21 lines
396 B
C
#ifndef TVM_LEXER_H_
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#define TVM_LEXER_H_
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#define MAX_ARGS 2
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#define MAX_TOKENS 4
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#include "tvm_htab.h"
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typedef struct tvm_lexer_s
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{
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char **source_lines;
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char ***tokens;
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} tvm_lexer_t;
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tvm_lexer_t *lexer_create();
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void lexer_destroy(tvm_lexer_t *l);
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/* Tokenize the character array "source" into lines and tokens */
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void lex(tvm_lexer_t *lexer, char *source, tvm_htab_t *defines);
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#endif
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