A Practical Approach to Compiler Construction by Des Watson

Author:Des Watson
Language: eng
Format: epub, pdf
Publisher: Springer International Publishing, Cham

Table 5.1Parse tree nodes

Node type

Data

Pointer 1

Pointer 2

Pointer 3

N_SLIST (Statement list)

–

Next statement

–

–

N_ASSIGN (Assign to variable)

Variable location

Expression

–

–

N_PRINT (Print expression)

–

Expression

–

–

N_UMINUS (Unary minus)

–

Term

–

–

N_PLUS, N_MINUS, N_MUL, N_DIV (Arithmetic operators)

–

Term or factor

Term or factor

–

N_EQ, N_NE, N_LT, N_LE, N_GT, N_GE (Relational operators)

–

Expression

Expression

–

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