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,
31 struct Token* children;
32 struct Token* lastChild;
36 // Handle to the Nasal interpreter
37 struct Context* context;
43 // The parse tree ubernode
50 // Input file parameters (for generating pretty stack dumps)
54 // Chunk allocator. Throw away after parsing.
60 // Computed line number table for the lexer
64 struct CodeGenerator* cg;
67 struct CodeGenerator {
70 // Accumulated byte code array
71 unsigned short* byteCode;
75 // Inst. -> line table, stores pairs of {ip, line}
76 unsigned short* lineIps;
77 int nLineIps; // number of pairs
80 // Stack of "loop" frames for break/continue statements
85 } loops[MAX_MARK_DEPTH];
88 // Dynamic storage for constants, to be compiled into a static table
92 void naParseError(struct Parser* p, char* msg, int line);
93 void naParseInit(struct Parser* p);
94 void* naParseAlloc(struct Parser* p, int bytes);
95 void naParseDestroy(struct Parser* p);
96 void naLex(struct Parser* p);
97 naRef naCodeGen(struct Parser* p, struct Token* block, struct Token* arglist);
99 void naParse(struct Parser* p);