11 TOK_TOP=1, TOK_AND, TOK_OR, TOK_NOT, TOK_LPAR, TOK_RPAR, TOK_LBRA,
12 TOK_RBRA, TOK_LCURL, TOK_RCURL, TOK_MUL, TOK_PLUS, TOK_MINUS, TOK_NEG,
13 TOK_DIV, TOK_CAT, TOK_COLON, TOK_DOT, TOK_COMMA, TOK_SEMI,
14 TOK_ASSIGN, TOK_LT, TOK_LTE, TOK_EQ, TOK_NEQ, TOK_GT, TOK_GTE,
15 TOK_IF, TOK_ELSIF, TOK_ELSE, TOK_FOR, TOK_FOREACH, TOK_WHILE,
16 TOK_RETURN, TOK_BREAK, TOK_CONTINUE, TOK_FUNC, TOK_SYMBOL,
17 TOK_LITERAL, TOK_EMPTY, TOK_NIL, TOK_ELLIPSIS, TOK_QUESTION, TOK_VAR,
18 TOK_PLUSEQ, TOK_MINUSEQ, TOK_MULEQ, TOK_DIVEQ, TOK_CATEQ,
23 enum { PREC_BINARY=1, PREC_REVERSE, PREC_PREFIX, PREC_SUFFIX };
34 struct Token* children;
35 struct Token* lastChild;
39 // Handle to the Nasal interpreter
40 struct Context* context;
46 // The parse tree ubernode
53 // Input file parameters (for generating pretty stack dumps)
57 // Chunk allocator. Throw away after parsing.
63 // Computed line number table for the lexer
67 struct CodeGenerator* cg;
70 struct CodeGenerator {
73 // Accumulated byte code array
74 unsigned short* byteCode;
78 // Inst. -> line table, stores pairs of {ip, line}
79 unsigned short* lineIps;
80 int nLineIps; // number of pairs
88 // Stack of "loop" frames for break/continue statements
93 } loops[MAX_MARK_DEPTH];
96 // Dynamic storage for constants, to be compiled into a static table
100 void naParseError(struct Parser* p, char* msg, int line);
101 void naParseInit(struct Parser* p);
102 void* naParseAlloc(struct Parser* p, int bytes);
103 void naParseDestroy(struct Parser* p);
104 void naLex(struct Parser* p);
105 int naLexUtf8C(char* s, int len, int* used); /* in utf8lib.c */
106 naRef naCodeGen(struct Parser* p, struct Token* block, struct Token* arglist);
108 void naParse(struct Parser* p);